阅读说明：本技术 一种近光单元及其近光组件 (A kind of dipped beam unit and its dipped beam component ) 是由 曹红曲 陈军 苗金城 黄磊 于 2019-08-21 设计创作，主要内容包括：本发明公开了一种近光单元及其近光组件,所述电路板与所述反光罩固定连接,所述光源与所述电路板电性连接,所述控光透镜置于所述电路板上,所述控光透镜的横截面呈鱼嘴形结构,所述控光透镜上具有入射面、第一反射面和出射面,所述控光透镜的数量至少为两个,至少一个所述控光透镜与垂直面夹角为0°～15°。达到降低近光灯的生产成本,提高照明效果的目的。(The invention discloses a kind of dipped beam unit and its dipped beam components, the circuit board is fixedly connected with the reflector, the light source and the circuit board are electrically connected, the control optical lens is placed on the circuit board, the cross section of the control optical lens is in fish mouth shaped structure, there is the plane of incidence, the first reflecting surface and exit facet, the quantity at least two of the control optical lens, at least one described control optical lens and vertical plane angle are 0 °~15 ° on the control optical lens.Reach the production cost for reducing dipped headlight, improves the purpose of illuminating effect.)

1. a kind of dipped beam unit, which is characterized in that

Including circuit board, light source, optical lens and reflector are controlled,

The circuit board is fixedly connected with the reflector, and the light source and the circuit board are electrically connected, the control optical lens It is placed on the circuit board, is placed in side of the light source described above far from the circuit board, the cross section of the control optical lens In fish mouth shaped structure, there is the plane of incidence, the first reflecting surface and exit facet on the control optical lens, light is issued by the light source, Through the plane of incidence, first reflecting surface, the exit facet, light reaches the reflector, and the reflector has the Two reflectings surface, the second reflecting surface will be will project the beam projecting for controlling optical lens to front illumination region；

The quantity at least two of the control optical lens, at least one described control optical lens and vertical plane angle are 0 °~15 °.

2. dipped beam unit as described in claim 1, which is characterized in that

The center line of the light source and the center line of the control optical lens are parallel to each other, and the center line of the light source is located at the control The top of the center line of optical lens, the descender line of the light source are overlapped with the center line of the control optical lens.

3. dipped beam unit as claimed in claim 2, which is characterized in that

The light source be LED light source, OLED light source, xenon light source it is one or more.

4. dipped beam unit as claimed in claim 3, which is characterized in that

There is delustring slot, the arc-shaped structure in cross section of the delustring slot, the quantity of the delustring slot is more on the plane of incidence A, multiple delustring slots are evenly distributed on the plane of incidence.

5. dipped beam unit as claimed in claim 4, which is characterized in that

The quantity of the control optical lens is two, and each control optical lens is evenly distributed on the circuit board, and at least one A control optical lens and vertical plane angle are 15 ° of settings.

6. dipped beam unit as claimed in claim 4, which is characterized in that

The quantity of the control optical lens is two, and each control optical lens is evenly distributed on the circuit board, described in two Control optical lens and vertical plane angle are 0 ° of setting.

7. dipped beam unit as claimed in claim 4, which is characterized in that

The quantity of the control optical lens is four, and each control optical lens is evenly distributed on the circuit board, all described Control optical lens and vertical plane angle are 0 ° of setting.

8. a kind of dipped beam component, including the dipped beam unit, which is characterized in that

It further include radiator, the radiator is fixedly connected with the reflector, and is located at the reflector far from the circuit One end of plate.

Technical field

The present invention relates to car light technical fields, and in particular to a kind of dipped beam unit and its dipped beam component.

Background technique

The dipped headlight of automobile is conducive to driver and sees road ahead clearly, guarantee row for the illumination to driving at night road Vehicle safety, but the high production cost of existing dipped headlight, illuminating effect are poor.

Summary of the invention

For the defects in the prior art, including circuit board, light source, control optical lens and reflector, the circuit board and institute Reflector to be stated to be fixedly connected, the light source and the circuit board are electrically connected, and the control optical lens is placed on the circuit board, and It is placed in side of the light source described above far from the circuit board, the cross section of the control optical lens is in fish mouth shaped structure, the control There is the plane of incidence, the first reflecting surface and exit facet, light issues by the light source, through the plane of incidence, described the on optical lens One reflecting surface, the exit facet, light reach the reflector, and the reflector has the second reflecting surface, the second reflecting surface The beam projecting for controlling optical lens will be projected to front illumination region；

The quantity at least two of the control optical lens, at least one described control optical lens and vertical plane angle be 0 °~ 15°。

Wherein, the center line of the light source and the center line of the control optical lens are parallel to each other, the center line of the light source Positioned at the top of the center line of the control optical lens, the descender line of the light source is overlapped with the center line of the control optical lens.

Wherein, the light source be LED light source, OLED light source, xenon light source it is one or more.

Wherein, on the plane of incidence have delustring slot, the arc-shaped structure in cross section of the delustring slot, the delustring slot Quantity be it is multiple, multiple delustring slots are evenly distributed on the plane of incidence.

Wherein, the quantity of the control optical lens is two, and each control optical lens is evenly distributed on the circuit board, And one of them described control optical lens and vertical plane angle are 15 ° of settings.

Wherein, the quantity of the control optical lens is two, and each control optical lens is evenly distributed on the circuit board, Two control optical lens and vertical plane angle are 0 ° of setting.

Wherein, the quantity of the control optical lens is four, and each control optical lens is evenly distributed on the circuit board, All control optical lens and vertical plane angle are 0 ° of setting.

The present invention also provides a kind of dipped beam component, including dipped beam unit and radiator, the radiator and the reflector It is fixedly connected, and is located at the one end of the reflector far from the circuit board.

The beneficial effects of the present invention are embodied in: it is not necessarily to plated film in first reflection, the plane of incidence and described first is instead The light that the light source issues can be totally reflected by penetrating, and while reducing production cost, can be expanded light shape, be improved illumination, To improve illuminating effect.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is the internal structure schematic illustration of dipped beam component of the invention.

Fig. 2 is dipped beam hot spot figure of the invention.

Fig. 3 is the structural schematic diagram of one embodiment of the invention.

Fig. 4 is the structural schematic diagram of another embodiment of the present invention.

Fig. 5 is the structural schematic diagram of another embodiment of the present invention.

In attached drawing: 100- dipped beam unit, 200- dipped beam component, 10- reflector, 20- circuit board, 30- light source, 40- control light Lens, the 41- plane of incidence, 411- delustring slot, the reflection of 42- first, 43- exit facet, 50- radiator.

Specific embodiment

It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention It encloses.

It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair The ordinary meaning that bright one of ordinary skill in the art are understood.

In the first embodiment of present embodiment, as shown in Figure 1, Figure 2 and Figure 3:

The present invention provides a kind of dipped beam unit 100, and the dipped beam unit 100 includes circuit board 20, light source 30, control optical lens 40 and reflector 10, the circuit board 20 be fixedly connected with the reflector 10, the light source 30 with the circuit board 20 electrically Connection, the control optical lens 40 are placed on the circuit board 20, are placed in light source 30 described above far from the circuit board 20 Side, the cross section of the control optical lens 40 are in fish mouth shaped structure, on the control optical lens 40 there is the plane of incidence 41, first to reflect Face 42 and exit facet 43, light are issued by the light source 10, through the plane of incidence 41, first reflecting surface 42, the outgoing Face 43, light reach the reflector 10, and the reflector 10 has the second reflecting surface, and the second reflecting surface will be will project institute The beam projecting of control optical lens 40 is stated to front illumination region；The quantity at least two of the control optical lens 40, at least one The control optical lens and vertical plane angle are 0 °~15 °.

The light source 30 be LED light source, OLED light source, xenon light source it is one or more, have on the plane of incidence 41 Delustring slot 411.The arc-shaped structure in cross section of the delustring slot 411.The quantity of the delustring slot 411 be it is multiple, it is multiple described Delustring slot 411 is evenly distributed on the plane of incidence 41.The quantity of the control optical lens 40 is two, each control optical lens 40 are evenly distributed on the circuit board 20, and at least one described control optical lens 40 and vertical plane angle are 15 ° of settings.

The center line of the light source 30 and the center line of the control optical lens 40 are parallel to each other, the center line of the light source 30 Positioned at the top of the center line of the control optical lens 40, the center line weight of the descender line of the light source 30 and the control optical lens 40 It closes.It will of course be understood that, in the case where situation allows, the position of the control optical lens 40 can be suitably adjusted, and it is described It controls optical lens 40 and generates biasing, adjust the effect of optical path.

In the present embodiment, the light source 30 is LED light source, and the cross section of the control optical lens 40 is in fish mouth shaped structure Setting, when the circuit board 20 controls the movement of light source 30 and shines, it is saturating that the light of the light source 30 is incident upon the control light On mirror 40, when the plane of incidence 41 of the control optical lens 40 receives light, light is then mapped into first reflection 42, since the plane of incidence 41 is formed for optically denser medium, first reflection 42 is formed by optically thinner medium, in the plane of incidence 41 When light is mapped to first reflection 42, the normal on light and the plane of incidence 41 forms incidence angle, and makes light Line is mapped in first reflection 42, and forms refraction angle with the normal in first reflection 42, is 90 ° at refraction angle When, refracted light will not be generated in first reflection 42, generate reflection light, only with the plane of incidence 41 described in this and described the Form total reflection between one reflection 42, without the plated film in first reflection 42, can also make the plane of incidence 41 with Total reflection is formed between first reflection 42, has saved production cost, being then all-trans by the light being totally reflected, it is described to be incident upon On exit facet 43, light is reflexed on the reflector 10 by the exit facet 43 later, the reflector 10 to light into Row reflection forms dipped beam irradiation.

And two control optical lens 40 are set on the circuit board 20, and by one of them control optical lens 40 It is arranged with the axial line of the circuit board 20 in 15 ° of tilt angle, by being in 15 ° by one of them described control optical lens 40 Tilt angle setting, another described control optical lens 40 and the axial line of the circuit board 20 are arranged in parallel, and enable to described When the control optical lens 40 that light source 30 is set in parallel by the axial line with the circuit board 20, the luminous energy of the light source 30 It is enough in certain altitude, when directive road surface, there is a clear apparent "cut-off"line, this fit on and the circuit board 20 Axial line in 15 ° of tilt angles setting the control optical lens 40 when so that light irradiation road width increase, expand Light shape, also improves illumination, to improve illuminating effect.Multiple delustring slots are set on the plane of incidence 41 simultaneously 411, and the arc-shaped structure setting in section of each delustring slot 411, the setting of multiple delustring slots 411, so that institute The light for stating light source 30 transmitting to the plane of incidence 41 can be scattered, to carry out delustring processing, improve the dipped beam list The illuminating effect of member 100 is respectively provided with there are two the mounting hole being oppositely arranged on each control optical lens 40, is passed through using bolt Each mounting hole is worn, and is threadedly coupled with the circuit board 20, peace installation and dismantling of the people to the control optical lens 40 are facilitated with this It unloads.

The dipped beam component 200 includes the dipped beam unit 100 and the radiator 50, the radiator 50 and the electricity Road plate 20 is electrically connected, and since the light source 30 is when luminous, can generate big calorimetric on the light source 30 and the reflector 10 Amount, the radiator 50 can carry out radiating treatment to the light source 30 and the reflector 10, prevent the light source 30 due to The temperature of receiving is excessively high, and damages.

In the second embodiment of present embodiment, as shown in Figure 1, Figure 2 and Figure 4:

The present invention also provides a kind of dipped beam unit 100, the dipped beam unit 100 is saturating including circuit board 20, light source 30, control light Mirror 40 and reflector 10, the circuit board 20 are fixedly connected with the reflector 10, the light source 30 and 20 electricity of circuit board Property connection, the control optical lens 40 is placed on the circuit board 20, is placed in light source 30 described above far from the circuit board 20 Side, the cross section of the control optical lens 40 is in fish mouth shaped structure, has the plane of incidence 41, first on the control optical lens 40 instead Penetrate face 42 and exit facet 43, light is issued by the light source 10, through the plane of incidence 41, first reflecting surface 42, it is described go out Face 43 is penetrated, light reaches the reflector 10, and the reflector 10 has the second reflecting surface, and the second reflecting surface will be will project The beam projecting of the control optical lens 40 is to front illumination region；The quantity at least two of the control optical lens 40, at least one A control optical lens and vertical plane angle are 0 °~15 °.

The light source 30 be LED light source, OLED light source, xenon light source it is one or more, have on the plane of incidence 41 Delustring slot 411.The arc-shaped structure in cross section of the delustring slot 411.The quantity of the delustring slot 411 be it is multiple, it is multiple described Delustring slot 411 is evenly distributed on the plane of incidence 41.

The quantity of the control optical lens 40 is two, and each control optical lens 40 is evenly distributed on the circuit board 20 On, two control optical lens 40 are arranged with the axial line of the circuit board 20 in 0 ° of tilt angle.

The center line of the light source 30 and the center line of the control optical lens 40 are parallel to each other, the center line of the light source 30 Positioned at the top of the center line of the control optical lens 40, the center line weight of the descender line of the light source 30 and the control optical lens 40 It closes.It will of course be understood that, in the case where situation allows, the position of the control optical lens 40 can be suitably adjusted, and it is described It controls optical lens 40 and generates biasing, adjust the effect of optical path.

In the present embodiment, the light source 30 is LED light source, and the cross section of the control optical lens 40 is in fish mouth shaped structure Setting, when the circuit board 20 controls the movement of light source 30 and shines, it is saturating that the light of the light source 30 is incident upon the control light On mirror 40, when the plane of incidence 41 of the control optical lens 40 receives light, light is then mapped into first reflection 42, since the plane of incidence 41 is formed for optically denser medium, first reflection 42 is formed by optically thinner medium, in the plane of incidence 41 When light is mapped to first reflection 42, the normal on light and the plane of incidence 41 forms incidence angle, and makes light Line is mapped in first reflection 42, and forms refraction angle with the normal in first reflection 42, is 90 ° at refraction angle When, refracted light will not be generated in first reflection 42, generate reflection light, only with the plane of incidence 41 described in this and described the Form total reflection between one reflection 42, without the plated film in first reflection 42, can also make the plane of incidence 41 with Total reflection is formed between first reflection 42, has saved production cost, being then all-trans by the light being totally reflected, it is described to be incident upon On exit facet 43, light is reflexed on the reflector 10 by the exit facet 43 later, the reflector 10 to light into Row reflection forms dipped beam irradiation.

And on the circuit board 20 be arranged two control optical lens 40, two control optical lens 40 with it is described The axial line of circuit board 20 is arranged in 0 ° of tilt angle, the axis by two control optical lens 40 with the circuit board 20 It is arranged to line in 0 ° of tilt angle, so that the light of the light source 30 is at certain altitude, when directive road surface, there is one Clear apparent "cut-off"line, while the width of light irradiation road is increased, light shape is expanded, illumination is also improved, To improve illuminating effect.Multiple delustring slots 411, and each delustring slot are set on the plane of incidence 41 simultaneously The arc-shaped structure setting in 411 section, the setting of multiple delustring slots 411 so that the light source 30 transmitting to it is described enter The light for penetrating face 41 can be scattered, to carry out delustring processing, the illuminating effect of the dipped beam unit 100 be improved, every Be respectively provided with that there are two the mounting holes that are oppositely arranged on a control optical lens 40, using each mounting hole of bolt-through, and with institute The threaded connection of circuit board 20 is stated, installation and removal of the people to the control optical lens 40 are facilitated with this.

The dipped beam component 200 includes the dipped beam unit 100 and the radiator 50, the radiator 50 and the electricity Road plate 20 is electrically connected, and since the light source 30 is when luminous, can generate big calorimetric on the light source 30 and the reflector 10 Amount, the radiator 50 can carry out radiating treatment to the light source 30 and the reflector 10, prevent the light source 30 due to The temperature of receiving is excessively high, and damages.

In the 3rd embodiment of present embodiment, as shown in Figure 1, Figure 2 and shown in Fig. 5:

The present invention also provides a kind of dipped beam unit 100, the dipped beam unit 100 is saturating including circuit board 20, light source 30, control light Mirror 40 and reflector 10, the circuit board 20 are fixedly connected with the reflector 10, the light source 30 and 20 electricity of circuit board Property connection, the control optical lens 40 is placed on the circuit board 20, is placed in light source 30 described above far from the circuit board 20 Side, the cross section of the control optical lens 40 is in fish mouth shaped structure, has the plane of incidence 41, first on the control optical lens 40 instead Penetrate face 42 and exit facet 43, light is issued by the light source 10, through the plane of incidence 41, first reflecting surface 42, it is described go out Face 43 is penetrated, light reaches the reflector 10, and the reflector 10 has the second reflecting surface, and the second reflecting surface will be will project The beam projecting of the control optical lens 40 is to front illumination region；The quantity at least two of the control optical lens 40, at least one A control optical lens and vertical plane angle are 0 °~15 °.

The light source 30 be LED light source, OLED light source, xenon light source it is one or more, have on the plane of incidence 41 Delustring slot 411.The arc-shaped structure in cross section of the delustring slot 411.The quantity of the delustring slot 411 be it is multiple, it is multiple described Delustring slot 411 is evenly distributed on the plane of incidence 41.

The quantity of the control optical lens 40 is four, and each control optical lens 40 is evenly distributed on the circuit board 20 On, all control optical lens 40 are 0 ° of setting with vertical plane angle.

The center line of the light source 30 and the center line of the control optical lens 40 are parallel to each other, the center line of the light source 30 Positioned at the top of the center line of the control optical lens 40, the center line weight of the descender line of the light source 30 and the control optical lens 40 It closes.It will of course be understood that, in the case where situation allows, the position of the control optical lens 40 can be suitably adjusted, and it is described It controls optical lens 40 and generates biasing, adjust the effect of optical path.

In the present embodiment, the light source 30 is LED light source, and the cross section of the control optical lens 40 is in fish mouth shaped structure Setting, when the circuit board 20 controls the movement of light source 30 and shines, it is saturating that the light of the light source 30 is incident upon the control light On mirror 40, when the plane of incidence 41 of the control optical lens 40 receives light, light is then mapped into first reflection 42, since the plane of incidence 41 is formed for optically denser medium, first reflection 42 is formed by optically thinner medium, in the plane of incidence 41 When light is mapped to first reflection 42, the normal on light and the plane of incidence 41 forms incidence angle, and makes light Line is mapped in first reflection 42, and forms refraction angle with the normal in first reflection 42, is 90 ° at refraction angle When, refracted light will not be generated in first reflection 42, generate reflection light, only with the plane of incidence 41 described in this and described the Form total reflection between one reflection 42, without the plated film in first reflection 42, can also make the plane of incidence 41 with Total reflection is formed between first reflection 42, has saved production cost, being then all-trans by the light being totally reflected, it is described to be incident upon On exit facet 43, light is reflexed on the reflector 10 by the exit facet 43 later, the reflector 10 to light into Row reflection forms dipped beam irradiation.

And four control optical lens 40 equidistantly distributed are set on the circuit board 20, pass through one of institute It states axial line of the control optical lens 40 with the circuit board 20 to be arranged in parallel, control optical lens 40 described in the other three is and vertical plane Angle is 0 ° of setting so that the light of the light source 30 is at certain altitude, when directive road surface, have one it is clear apparent "cut-off"line, while the width of light irradiation road is increased, light shape is expanded, illumination is also improved, to improve Illuminating effect.Multiple delustring slots 411, and the section of each delustring slot 411 are set on the plane of incidence 41 simultaneously Arc-shaped structure setting, the setting of multiple delustring slots 411, so that light of the transmitting of the light source 30 to the plane of incidence 41 It is able to carry out scattering, to carry out delustring processing, improves the illuminating effect of the dipped beam unit 100, in each control light Be respectively provided with that there are two the mounting holes that are oppositely arranged on lens 40, using each mounting hole of bolt-through, and with the circuit board 20 It is threadedly coupled, installation and removal of the people to the control optical lens 40 is facilitated with this.

The dipped beam component 200 includes the dipped beam unit 100 and the radiator 50, the radiator 50 and the electricity Road plate 20 is electrically connected, and since the light source 30 is when luminous, can generate big calorimetric on the light source 30 and the reflector 10 Amount, the radiator 50 can carry out radiating treatment to the light source 30 and the reflector 10, prevent the light source 30 due to The temperature of receiving is excessively high, and damages.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme should all cover within the scope of the claims and the description of the invention.