CN207555475U

CN207555475U - A kind of distance light lens module of efficiently high optically focused

Info

Publication number: CN207555475U
Application number: CN201721769616.0U
Authority: CN
Inventors: 白娜; 徐岩修; 孙延彪
Original assignee: Hella Bhap Sanhe Automotive Lighting Co Ltd
Current assignee: Hella Bhap Sanhe Automotive Lighting Co Ltd
Priority date: 2017-12-18
Filing date: 2017-12-18
Publication date: 2018-06-29
Anticipated expiration: 2027-12-18

Abstract

The utility model provides a kind of distance light lens module of efficiently high optically focused, by radiator, LED lamp panel, speculum, stent and lens are formed, speculum is hyperboloid structure, LED lamp panel is located at the real focus of hyperboloidal mirror, when LED lamp panel emits light, light through reflection, its reverse extending line can be converged on the virtual focus of hyperboloidal mirror, virtual focus is also the focus of lens simultaneously, it is equivalent to after light is sent out from virtual focus and projects by lens, its is simple in structure, it is easy to operate, in limited structure space, the focal length of glass lens is increased using virtual focus, make more to assemble by the light of lens, it is more efficient.Due to increasing luminous point to the distance of lens, the double light extraction efficiency for improving module and brightness, while also it is thinned the thickness of lens, do not increase car light volume, the degree of freedom of vehicle light shape is also improved, safeguards that simple and cost is not high, convenient for promoting and being widely used.

Description

A kind of distance light lens module of efficiently high optically focused

Technical field

The utility model is related to automobile lamp accessory technical field more particularly to a kind of distance light lens moulds of efficiently high optically focused Group.

Background technology

With the development of modern industry, automotive engineering realizes the rapid development of great-leap-forward, with the development of economy, modern Life is increasing for the demand of automobile, and the performance of automobile and human oriented design are also by more and more extensive concern.

Car light is particularly significant for road traffic safety before and after automobile, has weight to the instruction of subsequent vehicle and pedestrian Big effect, even more particularly important under the situation of the bad sight such as night and dense fog, the development for Hyundai Motor, also gradually It is required that the division of labor that becomes more meticulous of car light, particularly with the road and the headlamp of object for vehicle light illumination Chinese herbaceous peony, it is also desirable to technology Innovation.

At present in the prior art, due to the requirement of car conour design, the moulding of usual car light is irregular shape, Effective light emitting region is that comparison is low compared with utilization rate for the volume of car light, how to design bigger shine range of scatter, with Smaller car light volume realizes bigger, more stable light-emitting area and luminous intensity, becomes what industrial circle one studied for a long period of time Subject, while consider for good appearance, the adaptability needs for also requiring Vehicle lamp structure are stronger, and causing must in car light volume It must strictly control, overall car light cost and rejection rate remain high.

Utility model content

The utility model mainly for mentioned in above-mentioned background technology it is urgently to be resolved hurrily the technical issues of, provide it is a kind of efficiently The distance light lens module of high optically focused, Vehicle lamp structure is simple, is designed suitable for all kinds of special-shaped car lights, control accuracy is substantially improved, has It the prospect of being widely applied and promotes market.

The technical scheme that the utility model is provided is as follows：

A kind of distance light lens module of efficiently high optically focused, is made of radiator, LED lamp panel, speculum, stent and lens, LED lamp panel and speculum are installed, and LED lamp panel is located at speculum top, lower section or side coil, speculum wild card on radiator There is a stent, stent front end is equipped with lens, and speculum is hyperboloid structure, for when LED lamp panel emits light, in speculum Upper presentation real focus and virtual focus, LED lamp panel are located at the real focus of hyperboloidal mirror, the focus of virtual focus and glass lens Just overlap.

As a preferred embodiment of the above technical solution, the speculum rear portion is horizontal connection sheet, is equipped with screw hole, forepart above Downwards, it is recessed outward, recess is the minute surface of arc, and the cross section for making entire speculum is in lateral "convex" shaped, entirely The vertical section of speculum shape in obtuse angle, and minute surface is hyperboloid, the light source transmitting position in LED lamp panel is set to hyperboloid reflection The center of mirror.

As a preferred embodiment of the above technical solution, the lens are one kind in plano-convex, plano-concave, convexo-convex or concave-convex type.

In the above-mentioned technical solutions, further, diffusion patterned surface is equipped at the minute surface center of hyperboloidal mirror, Patterned surface is one or more groups of continuous strip cambered surfaces, and cambered surface outwardly convex is more uniform for spreading light.

As a preferred embodiment of the above technical solution, the width of the top between one or more groups of continuous strip cambered surfaces and tail end It spends and unequal.

A kind of distance light lens module of efficiently high optically focused provided by the utility model, it is simple in structure, it is easy to operate, limited Structure space in, the focal length of lens is increased using virtual focus, makes more to assemble by the light of lens, it is more efficient, while also subtract The thin thickness of lens.

It is relative to the advantageous effect of the prior art, the light of LED lamp panel transmitting passes through hyperbolic when reaching speculum The position of light source is projected virtual focus by face speculum, is equivalent to light and is directly injected to lens from virtual focus, is increased luminous Point arrives the distance of lens, the double light extraction efficiency for improving module and brightness, while does not increase car light volume again, also improves The degree of freedom of vehicle light shape is designed available for multiple light courcess, safeguards that simple and cost is not high, convenient for promoting and being widely used.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is a kind of overall structure diagram of efficiently distance light lens module of high optically focused of the utility model embodiment；

Fig. 2 is that a kind of structure of the light transmitting of efficiently distance light lens module of high optically focused of the utility model embodiment is shown It is intended to；

Fig. 3 is that a kind of structure of efficiently speculum of the distance light lens module of high optically focused of the utility model embodiment 1 is shown It is intended to；

Fig. 4 is a kind of vertical view knot of efficiently speculum of the distance light lens module of high optically focused of the utility model embodiment 1 Structure schematic diagram；

Fig. 5 is that a kind of structure of efficiently speculum of the distance light lens module of high optically focused of the utility model embodiment 2 is shown It is intended to；

Fig. 6 is that a kind of structure of efficiently speculum of the distance light lens module of high optically focused of the utility model embodiment 3 is shown It is intended to；

Specific embodiment

Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model is clearly and completely described, Obviously, the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this practicality Embodiment in novel, the every other reality that those of ordinary skill in the art are obtained without creative efforts Example is applied, shall fall within the protection scope of the present invention.

As shown in Figure 1, the distance light lens module of a kind of efficiently high optically focused that the utility model embodiment is provided, by radiating Device 1, LED lamp panel 2, speculum 3, stent 4 and lens 5 are formed, and LED lamp panel 2 and speculum 3, and LED are equipped on radiator 1 Lamp plate 2 is located at 3 lower section of speculum, and 3 wild card of speculum has stent 4, and 4 front end of stent is equipped with lens 5, and speculum 3 is hyperboloid, For when LED lamp panel 2 emitting light, real focus being presented on speculum 3 and virtual focus, the focus of virtual focus and lens 5 are firm It is good to overlap.

Principle of reflection is adopted in the utility model embodiment and hyperboloid characteristic, specific implementation are：

Principle signal as shown in Figure 2, after eliminating other component, only remains lens 5, the section of speculum 3, LED light Plate 2 illustrates principle apparent understandable, and light source is located at F1 real focus position, by hyperboloidal mirror the position of light source Project virtual focus F2, be equivalent to light in this way and directly inject to lens from focus F2, that is, increase luminous point to lens away from From improving light extraction efficiency and the brightness of module.

In use, LED circuit board works, lightening LED lamp plate, according to principle of reflection and hyperboloid characteristic, LED is located at hyperbolic On the real focus F1 in face, when reaching hyperboloidal mirror, reflected frontward to lens reflects the light of LED lamp panel transmitting simultaneously The reverse extending line of light converges at bi-curved virtual focus F2, and virtual focus F2 is made just to be overlapped with the focus of lens, be equivalent to through The light of speculum reflection, sends out from virtual focus F2 and is spread out again by rack-mount lens.

As shown in Figure 3-4,3 rear portion of speculum be horizontal connection sheet 31, above be equipped with screw hole, forepart downwards, to Outside is recessed, and recess is the minute surface 32 of arc, it is seen in figure 3 that when overlooking, entire speculum is in lateral " convex " word Shape, the vertical section of entire speculum shape (shown in Fig. 1) in obtuse angle, and minute surface 32 are hyperboloid, the light source transmitting position in LED lamp panel Install the center for being placed in hyperboloidal mirror.

In the above-mentioned technical solutions, further, as shown in figure 5, being equipped at the minute surface center of hyperboloidal mirror Spread patterned surface, patterned surface be one or more groups of continuous strip cambered surfaces, cambered surface outwardly convex compared with minute surface, due to setting It puts in center, immediately below LED lamp panel center, when light is irradiated to herein, light diffusion will more uniformly.

As a preferred embodiment of the above technical solution, as shown in fig. 6, top between one or more groups of continuous strip cambered surfaces With the width of tail end and unequal, the program can apply plurality of LEDs light source, and each light source can correspond to different reflectings surface, several groups The virtual focus of reflecting surface converges at same point simultaneously, light from LED lamp panel send out when, light that every light source is sent out is mapped to corresponding Reflecting surface on, after reflective surface, the reverse extending line of reflection light is converged on virtual focus, is equivalent to each LED Light is sent out simultaneously by virtual focus, is injected on lens.Such design can apply mostly can independent LED, can according to design need The quantity for increasing or decreasing light source is sought, increases design space.

The foregoing is merely the preferred examples of the utility model, utility model are not limited to, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent substitution and improvements done, should be included within the scope of protection of the utility model.

Claims

1. a kind of distance light lens module of efficiently high optically focused, is made of radiator, LED lamp panel, speculum, stent and lens, It is characterized in that, LED lamp panel and speculum is installed, and LED lamp panel is located at speculum top, lower section or side coil on radiator, Speculum wild card has stent, and stent front end is equipped with lens, and speculum is hyperboloid structure, for working as LED lamp panel transmitting light When, real focus is presented on the mirror and virtual focus, LED lamp panel are located at the real focus of hyperboloidal mirror, virtual focus and glass The focus of glass lens just overlaps.

2. the distance light lens module of a kind of efficiently high optically focused according to claim 1, which is characterized in that after the speculum Portion is horizontal connection sheet, is equipped with screw hole above, and forepart is downward, is recessed outward, and recess is the minute surface of arc, is made entire anti- The cross section of mirror is penetrated in lateral "convex" shaped, the vertical section of entire speculum shape in obtuse angle, and minute surface is hyperboloid, LED light Light source transmitting position on plate is set to the center of hyperboloidal mirror.

3. the distance light lens module of a kind of efficiently high optically focused according to claim 1, which is characterized in that the lens are flat One kind in convex, plano-concave, convexo-convex or concave-convex type.

4. the distance light lens module of a kind of efficiently high optically focused according to claim 2, which is characterized in that reflected in hyperboloid Diffusion patterned surface is equipped at the minute surface center of mirror, patterned surface is one or more groups of continuous strip cambered surfaces, for expanding light It dissipates more uniformly.

A kind of 5. distance light lens module of efficiently high optically focused according to claim 4, which is characterized in that one or more groups of companies The width on top and tail end between continuous strip cambered surface is simultaneously unequal.