CN207584664U - Car light projecting unit, vehicle lamp assembly and automobile - Google Patents
Car light projecting unit, vehicle lamp assembly and automobile Download PDFInfo
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- CN207584664U CN207584664U CN201721594002.3U CN201721594002U CN207584664U CN 207584664 U CN207584664 U CN 207584664U CN 201721594002 U CN201721594002 U CN 201721594002U CN 207584664 U CN207584664 U CN 207584664U
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- Prior art keywords
- lens
- speculum
- projecting unit
- light
- light projecting
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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
- F21S41/10—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]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
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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
- F21S41/26—Elongated 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/265—Composite lenses; Lenses with a patch-like shape
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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
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
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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
The utility model is related to automobile lamp technical fields, more particularly to a kind of car light projecting unit, a kind of vehicle lamp assembly including the car light projecting unit and a kind of automobile including the vehicle lamp assembly, the car light projecting unit includes light source, speculum and lens, lens have the plane of incidence, exit facet and focus, speculum has reflecting surface, perifocus and over focus, light source is arranged at the perifocus of speculum, and the over focus of speculum is located at the near focal point of lens；Reflective surface post-concentration of the light that light source is sent out through speculum to lens near focal point and inject lens, and be irradiated to after the plane of incidence unirefringence of lens and the exit facet birefringence of lens road surface and form illumination light shape.It is simple in structure, eliminate the anti-dazzle plate structure that traditional car light projecting unit is used to form "cut-off"line, reduce because of part manufacture, the optical property fluctuation of car light projecting unit caused by rigging error, also avoid barn door to light losing caused by the blocking of some light.
Description
Technical field
The utility model is related to automobile lamp technical fields more particularly to a kind of car light projecting unit, one kind to include the vehicle
The vehicle lamp assembly of lamp projecting unit and a kind of automobile including the vehicle lamp assembly.
Background technology
In the prior art, the structure of the car light projecting unit 100 of automobile is as shown in Figure 1, it includes light source 101, speculum
102nd, barn door 103 and lens 104.Speculum 102 has perifocus and over focus, and light source 101 is arranged on speculum 102
At perifocus, the over focus of speculum 102 is located at the near focal point of lens 104.Barn door 103 is equipped with light-shielding structure 103a, hides
Photo structure 103a is arranged on the near focal point of lens 104, and the shape of light-shielding structure 103a and the light and shade required by dipped beam light shape
It is consistent to end wire shaped.As shown in Fig. 2, the diverging light that light source 101 is sent out converges to lens 104 after the reflection of speculum 102
Near focal point, a portion light blocked by the light-shielding structure 103a of barn door 3, forms dark space, remaining most of light
Road surface is refracted to by lens 104 and forms illumination, and the class directional light lower beam illumination light shape with "cut-off"line is consequently formed.Cause
This, the light-shielding structure 103a of barn door 103 is that existing projecting unit forms the indispensable structure of dipped beam "cut-off"line.
But light-shielding structure 103a can cause light loss of energy to blocking for some light.In addition, since light source 101 is defeated
Go out the limitation of luminous flux, and existing 100 light efficiency of car light projecting unit is relatively low so that single car light projecting unit 100 is difficult to meet
The requirement of illumination light shape, i.e. road surface range of exposures can not meet test point brightness requirement of the regulation to different illumination functions, because
This as shown in figure 3, generally require to realize illumination functions by the combination of multiple projecting units 100, cause Vehicle lamp structure it is complicated,
The defects of 100 occupied space of car light projecting unit is big, car light weight penalty.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of simple in structure, light losing can be avoided, improve light
Car light projecting unit, the vehicle lamp assembly including the car light projecting unit and the automobile including the vehicle lamp assembly of effect, it is existing to overcome
There is the drawbacks described above of technology.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：A kind of car light projecting unit, including
Light source, speculum and lens, lens have the plane of incidence, exit facet and focus, and speculum has reflecting surface, perifocus and remote coke
Point, light source are arranged at the perifocus of speculum, and the over focus of speculum is located at the near focal point of lens；The light that light source is sent out
Reflective surface post-concentration through speculum to lens near focal point and inject lens, and the plane of incidence unirefringence through lens
Illumination light shape is formed with road surface is irradiated to after the exit facet birefringence of lens.
Preferably, the plane of incidence of lens is plane or curved surface；The exit facet of lens be the curved surface with an inflection point, inflection point with
The focus of lens, the perifocus of speculum and over focus are respectively positioned on same straight line, and normal of the curved surface at inflection point is set as water
Horizontal line, the then angle that curved surface is located between the normal and horizontal line of the side of inflection point both sides gradually increase along the direction far from inflection point
Greatly.
Preferably, the plane of incidence of lens is focus, the perifocus of speculum of the curved surface with an inflection point, inflection point and lens
It is respectively positioned on same straight line with over focus, normal of the curved surface at inflection point is set as horizontal line, then curved surface is located at inflection point both sides
Angle between the normal and horizontal line of side gradually increases along the direction far from inflection point；The exit facet of lens is plane or song
Face.
Preferably, the plane of incidence of lens and the curvature of exit facet and curvature variation are according to required illumination light shape
The curvature and curvature variation obtained with intensity Distribution Design.
Preferably, the reflecting surface of speculum is class elliposoidal.
Preferably, there are two speculum is set, and the reflecting surface of two speculums is in be oppositely arranged up and down.
Preferably, lens have multiple focuses, and all focuses are respectively positioned on same focus line, speculum be equipped with it is multiple,
And the over focus of all speculums is respectively positioned near focus line, each speculum is respectively correspondingly arranged there are one light source.
Preferably, there are three speculum is set, and three speculums are arranged in order along the track parallel with focus line.
A kind of vehicle lamp assembly, which is characterized in that including car light projecting unit as described above.
A kind of automobile, which is characterized in that including vehicle lamp assembly as described above.
Compared with prior art, the utility model has significant progress：
The car light projecting unit of the utility model, the vehicle lamp assembly including the car light projecting unit and including the vehicle lamp assembly
Automobile, the light path of incident ray is controlled by lens to form required illumination light shape, traditional car light is compared and throws
Penetrate unit, the utility model structure is simpler, eliminates the anti-dazzle plate structure for being used to form "cut-off"line, so as to reduce because
The optical property fluctuation of car light projecting unit between part foozle and part caused by rigging error, can effectively improve product
Qualification rate, while barn door is also avoided to light losing caused by the blocking of some light, improve light efficiency.
Description of the drawings
Fig. 1 is the structure diagram of car light projecting unit in the prior art.
Fig. 2 is the light path schematic diagram that car light projecting unit forms lower beam illumination light shape in the prior art.
Fig. 3 is the schematic diagram for being equipped with multiple car light projecting units in automobile lamp in the prior art.
Fig. 4 is the structure diagram of the first embodiment of the utility model car light projecting unit.
Fig. 5 is the light path schematic diagram of the utility model car light projecting unit the first embodiment formation illumination light shape.
Fig. 6 is the principle schematic of the utility model car light projecting unit the first embodiment formation "cut-off"line.
Fig. 7 is the structure diagram of the utility model car light second of embodiment of projecting unit.
Fig. 8 is the light path schematic diagram that second of embodiment of the utility model car light projecting unit forms illumination light shape.
Fig. 9 is the principle schematic that second of embodiment of the utility model car light projecting unit forms "cut-off"line.
Figure 10 is the structure diagram of the third embodiment of the utility model car light projecting unit.
Figure 11 is the light path schematic diagram of the utility model car light projecting unit the third embodiment formation illumination light shape.
Figure 12 is the structure diagram of the 4th kind of embodiment of the utility model car light projecting unit.
Figure 13 is the structure diagram of the 5th kind of embodiment of the utility model car light projecting unit.
Figure 14 is the schematic diagram that the utility model car light projecting unit forms the light shape with horizontal "cut-off"line.
Figure 15 is the schematic diagram that the utility model car light projecting unit forms the light shape with dipped beam "cut-off"line.
Figure 16 is the schematic diagram for the light shape that the utility model car light projecting unit forms instant and near light one.
In Fig. 1 to Fig. 3：
100th, car light projecting unit 101, light source 102, speculum
103rd, barn door 103a, light-shielding structure 104, lens
In Fig. 4 to Figure 16：
1st, light source 2, speculum 2a, reflecting surface
3rd, lens 3a, plane of incidence 3b, exit facet
3c, focus line F1, perifocus F2, over focus
F3, inflection point A, horizontal line
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.These embodiments are only
For illustrating the utility model, and it is not limitation of the utility model.
In the description of the present invention, it should be noted that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction
Or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second " be only used for description purpose, and it is not intended that instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on can understanding as the case may be
State concrete meaning of the term in the utility model.
In addition, in the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more.
As shown in Fig. 4 to Figure 16, the embodiment of the utility model car light projecting unit.
As shown in Figure 4 and Figure 5, the car light projecting unit of the utility model includes light source 1, speculum 2 and lens 3.Light source 1
It is preferred that using LED (Light Emitting Diode, light emitting diode) luminescence chip.Lens 3 have plane of incidence 3a, exit facet
3b and focus.Speculum 2 has reflecting surface 2a, and the reflecting surface 2a of speculum 2 is preferably class elliposoidal, and speculum 2 has near burnt
Point F1 and over focus F2.Light source 1 is arranged at the perifocus F1 of speculum 2, and the over focus F2 of speculum 2 is located at the coke of lens 3
Near point.At reflecting surface 2a reflection post-concentrations to the over focus F2 of speculum 2 of the light that light source 1 is sent out through speculum 2, i.e., can
Gather to the near focal point of lens 3.The light converged at 2 over focus F2 of speculum injects lens 3, and through the plane of incidence of lens 3
Road surface is irradiated to after 3a unirefringences and the exit facet 3b birefringences of lens 3 and forms illumination light shape.It is right by lens 3 as a result,
The light path of incident ray is controlled to form required illumination light shape, compares traditional car light projecting unit, the utility model
Car light projecting unit it is simple in structure, the anti-dazzle plate structure for being used to form "cut-off"line is eliminated, so as to reduce because of part
The optical property fluctuation of car light projecting unit between foozle and part caused by rigging error, can effectively improve product qualification
Rate, while barn door is also avoided to light losing caused by the blocking of some light, improve light efficiency.
As shown in fig. 6, in the first embodiment, the plane of incidence 3a of lens 3 can be plane, or curved surface.
The exit facet 3b of lens 3 is curved surface, and the curved surface has an inflection point F3, inflection point F3 and the focus of lens 3, the nearly coke of speculum 2
Point F1 and over focus F2 are respectively positioned on same straight line, and normal of the curved surface (the exit facet 3b of lens 3) at inflection point F3 is set
For horizontal line A, then the curved surface (the exit facet 3b of lens 3) is between the normal of the side of inflection point F3 both sides and horizontal line A
Angle gradually increases along the direction far from inflection point F3, i.e., θ 2 as shown in Figure 6 is more than θ 1.Then according to the angle of incident light with
And the law of refraction of light：
n1Sini=n2sinr
In formula, i is incidence angle, n1For the refractive index of medium corresponding to incidence angle i, r is the angle of emergence, n2It is right for angle of emergence r
Answer the refractive index of medium.
It is found that incident light is after the plane of incidence 3a unirefringences of lens 3, the exit facet 3b birefringences of lens 3, injection
Angle between light and the horizontal line A is by along the gradual increased trend in the direction far from inflection point F3, i.e., as shown in Fig. 6
α 2 be more than α 1.Therefore, when reflecting surface 2a of the light through speculum 2 that a light source 1 is sent out reflects post-concentration to speculum 2
At over focus F2, and when injecting lens 3 at a certain angle, light through lens 3 plane of incidence 3a and exit facet 3b reflect and across saturating
After mirror 3, only the illuminating ray of even intensity transition can be formed in the side of the horizontal line A (downside in such as Fig. 6), described
Without illuminating ray if the opposite side (such as the upside in Fig. 6) of horizontal line A, so as to which horizontal line A is the bright of vehicle light illumination light shape
Dark dead line can play the role of that the driver of the other vehicles of vehicle light illumination road pavement is avoided to cause to dazzle the eyes, ensure driving safety.
As shown in Figure 7, Figure 8 and Figure 9, in the second embodiment, the exit facet 3b of lens 3 can be plane, also may be used
Think curved surface.The plane of incidence 3a of lens 3 is then curved surface, and the curved surface has an inflection point F3.It is the focus of inflection point F3 and lens 3, anti-
The perifocus F1 and over focus F2 for penetrating mirror 2 are respectively positioned on same straight line, by the curved surface (plane of incidence 3a of lens 3) at inflection point F3
Normal be set as horizontal line A, then the curved surface (plane of incidence 3a of lens 3) positioned at the side of inflection point F3 both sides normal with it is horizontal
Angle between line A gradually increases along the direction far from inflection point F3, i.e., θ 2 as shown in Figure 9 is more than θ 1.With the first
Embodiment principle is identical, incident light after the plane of incidence 3a unirefringences of lens 3, the exit facet 3b birefringences of lens 3,
Angle between the light of injection and the horizontal line A is by along the gradual increased trend in the direction far from inflection point F3, i.e., such as Fig. 9
In the α 2 that shows be more than α 1.Therefore, reflecting surface 2a of the light sent out when a light source 1 through speculum 2 reflects post-concentration to anti-
Penetrate at the over focus F2 of mirror 2, and at a certain angle inject lens 3 when, light through lens 3 plane of incidence 3a and exit facet 3b reflect and
Across after lens 3, only the illuminating ray of even intensity transition can be formed in the side of the horizontal line A (downside in such as Fig. 9),
Without illuminating ray if the opposite side (such as the upside in Fig. 9) of the horizontal line A, so as to which horizontal line A is vehicle light illumination light
The "cut-off"line of shape.
In the utility model, the curvature and curvature variation of the plane of incidence 3a and exit facet 3b of lens 3 are according to needed for
The curvature and curvature variation that the illumination light shape and intensity Distribution Design wanted obtain.Pass through lens 3 plane of incidence 3a and exit facet 3b
The design of curvature can obtain the "cut-off"line of required illumination light shape, pass through lens 3 plane of incidence 3a and exit facet 3b
The design of curvature variation can then obtain the light distribution of required illumination light shape.Therefore lens 3 in the utility model
Plane of incidence 3a and the curvature and curvature variation of exit facet 3b do not limit to, should be obtained according to practical vehicle light illumination demand to design
, so as to obtain illuminating light type, such as the light shape with horizontal "cut-off"line shown in Figure 14 accordingly, such as institute in Figure 15
The light shape with dipped beam "cut-off"line shown, the light shape of instant and near light one as shown in Figure 16.
In the first embodiment (as shown in Figure 4 and Figure 5) and second of embodiment (as shown in Figure 7 and Figure 8), this
The car light projecting unit of utility model can only set a speculum 2, and pass through the song of lens 3 plane of incidence 3a and exit facet 3b
Distance light light shape or dipped beam light shape are realized in the design of rate and curvature variation.
In the third embodiment, as shown in Figure 10 and Figure 11, the car light projecting unit of the utility model can also be set
It puts there are two speculum 2, and the reflecting surface 2a of two speculums 2, in being oppositely arranged up and down, each speculum 2 is respectively correspondingly arranged on
One light source 1.Light is simultaneously emitted by by two light sources 1, the combination light shape of distance light and dipped beam can be obtained.For example, in Figure 11
The reflecting surface of underlying speculum 1 can be set as distance light reflecting surface, and shape is class paraboloid, has over focus and nearly coke
Point sets light source 1 at its perifocus, and over focus is then arranged on the near focal point of lens 3, by the speculum 1 of lower section and
Far lighting light shape can be achieved in emit beam to corresponding light source 1 change of light path of the combination of lens 3, and far lighting light shape need not
"cut-off"line, this is also the common method of traditional projection-type lamp system, but traditional projection-type lamp system is due to dipped beam screening
Light plate structure needs to be arranged on the near focal point of lens, and far lighting light path is impacted, so generally requiring setting can turn over
The anti-dazzle plate structure turned carries out instant and near light switching by solenoid valve or motor, and the mechanism of this switching anti-dazzle plate structure position must
It can so lead to problems such as complicated Vehicle lamp structure, cost increase, mechanical structure easy to wear.And as shown in Figure 7 and Figure 8, using this
The car light projecting unit for saving anti-dazzle plate structure that utility model provides, passes through the combination of speculum 2 and lens 3 being located above
The light path of light sent out to corresponding light source 1 is changed, you can is realized lower beam illumination light shape, be can thus be far lighting and carry
For facility, the control only opened and closed by light source 1, it is possible to realize the switching of distance light, dipped beam.
Certainly, using it is this be oppositely arranged up and down by the way of the quantity of speculum 2 be not limited to two, can also set
Put multigroup speculum 2 being oppositely arranged up and down.
In the 4th kind of embodiment, as shown in figure 12, the lens 3 of the utility model can have multiple focuses, and institute
There is focus to be respectively positioned on same focus line 3c.Speculum 2 can be equipped with multiple as a result, and the over focus F2 of all speculums 2 is equal
Near the focus line 3c of lens 3, such as shown in Figure 12, there are three speculum 2 can be set, and three 2 edges of speculum
The track parallel with the focus line 3c of lens 3 is arranged in order, and three speculums 2 are in the same plane.Each speculum 2
It is respectively correspondingly arranged there are one light source 1, then the light that each light source 1 is sent out can reflect post-concentration extremely through its corresponding speculum 2
Near the focus line 3c of lens 3, and shone after the plane of incidence 3a unirefringences of lens 3 and the exit facet 3b birefringences of lens 3
Road surface is mapped to, forms illumination light shape.Certainly, the quantity of speculum 2 is not limited to three in the utility model, can be according to reality
The illumination light shape that border needs is configured.
In the 5th kind of embodiment, as shown in figure 13, there are three being arranged successively according to the shape of 3 focus line 3c of lens
Another form of speculum 2.
The car light projecting unit of the utility model can set multiple speculums 2 and its corresponding light source 1 as a result, can be with
The overall luminous flux of the output of light source 1 is effectively increased, so as to meet the requirement of illumination light shape road pavement range of exposures, also disclosure satisfy that
Regulation is to the test point brightness requirements of different illumination functions, because realizing photograph without the combination by multiple car light projecting units
Bright function can greatly simplify Vehicle lamp structure, reduce car light projecting unit the space occupied, mitigate car light weight.
Based on above-mentioned car light projecting unit, the utility model additionally provides a kind of vehicle lamp assembly, the car light of the utility model
Assembly includes the above-mentioned car light projecting unit of the utility model.
Based on above-mentioned vehicle lamp assembly, the utility model additionally provides a kind of automobile, and the utility model includes automobile this reality
With novel above-mentioned vehicle lamp assembly.
In conclusion the car light projecting unit of the utility model, the vehicle lamp assembly including the car light projecting unit and including
The automobile of the vehicle lamp assembly controls the light path of incident ray by lens 3 to form required illumination light shape, compares biography
The car light projecting unit of system, the utility model structure is simpler, eliminates the anti-dazzle plate structure for being used to form "cut-off"line, from
And reduce the optical property fluctuation of the car light projecting unit caused by rigging error between part foozle and part, can have
Effect improves product qualification rate, while also avoids barn door to light losing caused by the blocking of some light, and improves light efficiency.
Also, the car light projecting unit of the utility model can set multiple speculums 2 and its corresponding light source 1, can be effectively increased
The overall luminous flux that light source 1 exports, so as to meet the requirement of illumination light shape road pavement range of exposures, also disclosure satisfy that regulation to not
With the test point brightness requirement of illumination functions, because realizing illumination functions without the combination by multiple car light projecting units,
Vehicle lamp structure can be greatly simplified, reduces car light projecting unit the space occupied, mitigates car light weight.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model technical principle is not departed from, several improvement and replacement can also be made, these change
The scope of protection of the utility model is also should be regarded as into replacement.
Claims (10)
1. a kind of car light projecting unit, which is characterized in that including light source (1), speculum (2) and lens (3), the lens (3)
With the plane of incidence (3a), exit facet (3b) and focus, the speculum (2) has reflecting surface (2a), perifocus (F1) and remote coke
Point (F2), the light source (1) are arranged at the perifocus (F1) of the speculum (2), the over focus (F2) of the speculum (2)
Near focal point positioned at the lens (3)；Reflecting surface (2a) of the light that the light source (1) sends out through the speculum (2) is anti-
Post-concentration is penetrated to the near focal point of the lens (3) and injects the lens (3), and the plane of incidence (3a) through the lens (3)
Road surface is irradiated to after unirefringence and exit facet (3b) birefringence of the lens (3) and forms illumination light shape.
2. car light projecting unit according to claim 1, which is characterized in that the plane of incidence (3a) of the lens (3) is flat
Face or curved surface；The exit facet (3b) of the lens (3) is the curved surface with an inflection point (F3), the inflection point (F3) and the lens
(3) focus, the perifocus (F1) of the speculum (2) and over focus (F2) is respectively positioned on same straight line, and the curved surface is existed
Normal at the inflection point (F3) is set as horizontal line (A), then the curved surface is located at the normal of the side of the inflection point (F3) both sides
Angle between the horizontal line gradually increases along the direction far from the inflection point (F3).
3. car light projecting unit according to claim 1, which is characterized in that the plane of incidence (3a) of the lens (3) is tool
There are the curved surface of an inflection point (F3), the inflection point (F3) and focus, the perifocus (F1) of the speculum (2) of the lens (3)
It is respectively positioned on same straight line with over focus (F2), normal of the curved surface at the inflection point (F3) is set as horizontal line (A), then
The angle that the curved surface is located between the normal of the side of the inflection point (F3) both sides and the horizontal line is turned along far from described
The direction of point (F3) gradually increases；The exit facet (3b) of the lens (3) is plane or curved surface.
4. car light projecting unit according to claim 1, which is characterized in that the plane of incidence (3a) of the lens (3) and go out
Penetrate the curvature in face (3b) and curvature variation be the curvature that obtains according to required illumination light shape and intensity Distribution Design and
Curvature variation.
5. car light projecting unit according to claim 1, which is characterized in that the reflecting surface (2a) of the speculum (2) is
Class elliposoidal.
6. car light projecting unit according to claim 1, which is characterized in that there are two the speculum (2) sets, and two
The reflecting surface (2a) of the speculum (2) in being oppositely arranged up and down.
7. car light projecting unit according to claim 1, which is characterized in that the lens (3) have multiple focuses,
And all focuses are respectively positioned on same focus line (3c), the speculum (2) is equipped with multiple, and all speculums
(2) over focus (F2) is respectively positioned near the focus line (3c), and each speculum (2) is respectively correspondingly arranged there are one described in
Light source (1).
8. car light projecting unit according to claim 7, which is characterized in that there are three the speculum (2) sets, and three
The speculum (2) is arranged in order along the track parallel with the focus line (3c).
9. a kind of vehicle lamp assembly, which is characterized in that including car light projecting unit as claimed in any of claims 1 to 8 in one of claims.
10. a kind of automobile, which is characterized in that including vehicle lamp assembly as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721594002.3U CN207584664U (en) | 2017-11-24 | 2017-11-24 | Car light projecting unit, vehicle lamp assembly and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721594002.3U CN207584664U (en) | 2017-11-24 | 2017-11-24 | Car light projecting unit, vehicle lamp assembly and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207584664U true CN207584664U (en) | 2018-07-06 |
Family
ID=62733537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721594002.3U Active CN207584664U (en) | 2017-11-24 | 2017-11-24 | Car light projecting unit, vehicle lamp assembly and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207584664U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107893967A (en) * | 2017-11-24 | 2018-04-10 | 上海小糸车灯有限公司 | Car light projecting unit, vehicle lamp assembly and automobile |
| CN109539168A (en) * | 2019-01-11 | 2019-03-29 | 华域视觉科技(上海)有限公司 | Distance light brightness reinforcing device, LED module unit, car light, automobile |
| WO2020025171A1 (en) * | 2018-07-31 | 2020-02-06 | Valeo Vision | Luminous module that images the illuminated surface of a collector |
| CN111634228A (en) * | 2019-03-01 | 2020-09-08 | Zkw集团有限责任公司 | Ground projection device for a motor vehicle |
| WO2024004957A1 (en) * | 2022-06-28 | 2024-01-04 | 株式会社小糸製作所 | Vehicle lamp |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893967A (en) * | 2017-11-24 | 2018-04-10 | 上海小糸车灯有限公司 | Car light projecting unit, vehicle lamp assembly and automobile |
| WO2020025171A1 (en) * | 2018-07-31 | 2020-02-06 | Valeo Vision | Luminous module that images the illuminated surface of a collector |
| FR3084728A1 (en) * | 2018-07-31 | 2020-02-07 | Valeo Vision | LIGHT MODULE IMAGING THE ILLUMINATED SURFACE OF A COLLECTOR |
| US11280464B2 (en) | 2018-07-31 | 2022-03-22 | Valeo Vision | Luminous module that images the illuminated surface of a collector |
| US11719406B2 (en) | 2018-07-31 | 2023-08-08 | Valeo Vision | Luminous module that images the illuminated surface of a collector |
| CN109539168A (en) * | 2019-01-11 | 2019-03-29 | 华域视觉科技(上海)有限公司 | Distance light brightness reinforcing device, LED module unit, car light, automobile |
| CN111634228A (en) * | 2019-03-01 | 2020-09-08 | Zkw集团有限责任公司 | Ground projection device for a motor vehicle |
| CN111634228B (en) * | 2019-03-01 | 2023-12-05 | Zkw集团有限责任公司 | Ground projection device for motor vehicle |
| WO2024004957A1 (en) * | 2022-06-28 | 2024-01-04 | 株式会社小糸製作所 | Vehicle lamp |
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Address after: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |