CN208253440U - LED low-beam light and dipped headlight mould group - Google Patents
LED low-beam light and dipped headlight mould group Download PDFInfo
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- CN208253440U CN208253440U CN201820850701.8U CN201820850701U CN208253440U CN 208253440 U CN208253440 U CN 208253440U CN 201820850701 U CN201820850701 U CN 201820850701U CN 208253440 U CN208253440 U CN 208253440U
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Abstract
The utility model relates to a kind of LED low-beam lights and dipped headlight mould group, wherein LED low-beam light includes LED light source, dipped beam reflector and lens, the lens are biconvex lens, the dipped beam reflector is located at the side of the biconvex lens, the biconvex lens is the plane of incidence close to the curved surface of the dipped beam reflector, the curved surface opposite with the plane of incidence is exit facet on the biconvex lens, the light of the LED light source transmitting can be after the reflection of the dipped beam reflector, and the refraction by the plane of incidence and exit facet is launched.Mainly by setting biconvex lens for the lens, the light that LED light source is emitted transfers out after the refraction of the left and right ends of the biconvex lens, so that the irradiating width of the LED low-beam light is wider.In the case where irradiating width requires certain, the size of required biconvex lens is smaller, so that the size of the LED low-beam light is smaller, reduces the requirement to installation space in vehicle.
Description
Technical field
The utility model relates to automotive lighting fields, more particularly to a kind of LED low-beam light and dipped headlight mould group.
Background technique
Dipped headlight can be divided into reflective cup type and lens projecting according to light-configuration mode.It is mainly wrapped in lens projecting dipped headlight
Include LED light source, reflector, anti-dazzling screen and lens.The change of opticpath is realized in traditional dipped headlight by using lens, so that
The light launched has enough irradiating widths, meets during automotive lighting the needs of to light.But traditional dipped beam
It needs, to meet the requirement that the light that dipped headlight is launched has enough irradiating widths, to lead using larger-size lens in lamp
It causes dipped headlight size larger, it is larger to occupy vehicle space.
Summary of the invention
Based on this, it is necessary to provide a kind of LED low-beam light and dipped headlight mould group, to reduce size, reduce to pacifying in vehicle
Fill the requirement in space.
Its technical solution is as follows:
A kind of LED low-beam light, including LED light source, dipped beam reflector and lens, the lens are biconvex lens, described close
Light reflector is located at the side of the biconvex lens, and the biconvex lens is the plane of incidence close to the curved surface of the dipped beam reflector,
The curved surface opposite with the plane of incidence is exit facet on the biconvex lens, and the light of the LED light source transmitting can pass through institute
After the reflection for stating dipped beam reflector, the refraction by the plane of incidence and exit facet is launched.
Above scheme provides a kind of LED low-beam light, mainly by setting biconvex lens for the lens, so that by
The light that LED light source emits, after the reflection of the dipped beam reflector, further across the plane of incidence and outgoing
Launch after the double refraction in face.Plano-convex lens are during reflecting light, from the light of the right and left transmitting
The case where in the presence of total reflection, causing can be relatively small through light deflection angle that superrefraction is launched.And institute in this programme
The light of the process of biconvex lens the right and left of use can be refracted away, i.e., the biggish light of deflection angle is still
Can so launch so that the light launched of the LED light source have after biconvex lens effect it is biggish
Irradiating width, and then in the case where irradiating width requires certain, the size of required biconvex lens is smaller, so that described
The size of LED low-beam light is smaller, reduces the requirement to installation space in vehicle.
Further, the curvature of the plane of incidence is less than the curvature of the exit facet.
Further, the LED light source is located in the dipped beam reflector, and the reflecting surface of the dipped beam reflector is located at institute
The side in the symmetrical centre face of biconvex lens is stated, anti-dazzling screen is equipped between the dipped beam reflector and the biconvex lens, is used for
The some light reflected by the dipped beam reflector is blocked, the anti-dazzling screen and the tangent line of light are to block line, described to block
The center of line is located at the focal point of the biconvex lens, and the line that blocks is non-rectilinear, and the line that blocks is by the lenticular
Straight line is imaged as after mirror, the straight line is the dead line of the LED low-beam light.
Further, the lower edge of the exit facet is equipped with concave convex texture, the concave convex texture and the dipped beam reflector
Reflecting surface be located at the not ipsilateral of the symmetrical centre face.
Further, the concave convex texture is the strip lines rearranged by multiple square grids, strip lines edge
The edge distribution of the exit facet.
Further, by the center of the biconvex lens, and perpendicular to the flat of the symmetrical centre face of the biconvex lens
Face is section, and for the exit facet in the round rectangle that is projected as in the section, the strip lines is two rows, two rows of strip lines
The long side of projection on the section each parallel to the round rectangle.
Further, the anti-dazzling screen face opposite with the biconvex lens is equipped with and blocks boss, finally penetrates for blocking
To the light of point 50L.
A kind of dipped headlight mould group, including circuit substrate component and above-mentioned LED low-beam light, the LED light source is mounted on institute
It states on circuit substrate component, the circuit substrate component is located on the symmetrical centre face of the biconvex lens.
Above scheme provides a kind of dipped headlight mould group, mainly by using LED dipped beam described in any of the above-described scheme
Lamp, so that the size of LED low-beam light employed in this programme is smaller, to make in the case where irradiating width requires certain
The size for obtaining the dipped headlight mould group is smaller, to reduce the requirement to installation space.And by by the circuit substrate group
Part is mounted on the symmetrical centre face of the biconvex lens, so that the LED light source transmitting being mounted on the circuit substrate component
Light be merely able to launch after the dipped beam reflector reflects, and the circuit substrate component is to the LED light source
The light of transmitting play the role of it is certain block so that the optical path of the dipped headlight mould group is more clear.
Further, the dipped headlight mould group further includes shell, and the LED low-beam light and the circuit substrate component are pacified
In the housing, the biconvex lens is located at one end of the shell to dress.
It further, further include radiator, the radiator is mounted on the shell close to the circuit substrate component
Position, the radiator are connect with the circuit substrate component.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of LED low-beam light described in the present embodiment；
Fig. 2 is the structural schematic diagram of anti-dazzling screen described in the present embodiment；
Fig. 3 is the structural schematic diagram of biconvex lens described in the present embodiment；
Fig. 4 is the structural schematic diagram of dipped headlight mould group described in the present embodiment.
Description of symbols:
10, dipped headlight mould group, 20, circuit substrate component, 30, LED low-beam light, 31, LED light source, 32, dipped beam reflector,
33, lens, 331, the plane of incidence, 332, exit facet, 34, anti-dazzling screen, 341, block line, 35, concave convex texture, 36, block boss,
40, shell, 50, radiator.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes, it is not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
The symmetrical centre face of biconvex lens described herein refers to the focus by the biconvex lens, and by the biconvex
Lens are divided into the two-part plane of symmetry up and down.
As shown in Figure 1, providing a kind of LED low-beam light 30 in one embodiment, including LED light source 31, dipped beam are reflective
Cup 32 and lens 33, the lens 33 are biconvex lens, and the dipped beam reflector 32 is located at the side of the biconvex lens, described
Biconvex lens is the plane of incidence 331 close to the curved surface of the dipped beam reflector 32, on the biconvex lens with 331 phase of the plane of incidence
Pair curved surface be exit facet 332, the light that the LED light source 31 emits can after the reflection of the dipped beam reflector 32,
Launched by the refraction of the plane of incidence 331 and exit facet 332.
By the way that the biconvex lens is arranged in LED low-beam light 30 in above scheme, so that being emitted by LED light source 31
Light after the reflection of dipped beam reflector 32, successively by the plane of incidence 331 of the biconvex lens and exit facet 332
Refraction, finally launches.For plano-convex lens, lenticular used by LED low-beam light 30 described in this programme
The light of mirror left and right ends still is able to be refracted away, more apparent to the refraction effect of light, reflects away from the right and left
Light deflection angle is larger, so that irradiating width is larger.It is saturating relative to plano-convex thus in the case where irradiating width requires certain
Mirror, size needed for biconvex lens employed in this programme is smaller, to reduce the size of the LED low-beam light 30, reduces pair
The requirement of installation space in vehicle.
By the way that the lens 33 are designed as biconvex lens in above scheme, so that by the light of 33 left and right ends of lens
It can reflect away, so that irradiating width is larger.Specifically, the curvature of two curved surfaces of biconvex lens can be according to reality
Border needs and designs.Alternatively, as shown in Figure 1, in one embodiment, the curvature of the plane of incidence 331 is less than the exit facet
332 curvature.By by the curvature less than the exit facet 332 of the curvature design of the plane of incidence 331, so that the biconvex
For lens in the case where meeting double refraction, the curvature of the plane of incidence 331 is smaller, reduce install the biconvex lens when pair
The requirement of installation space in LED low-beam light 30.
Further, as shown in Figure 1, in one embodiment, the LED light source 31 is located at the dipped beam reflector 32
Interior, the reflecting surface of the dipped beam reflector 32 is located at the side in the symmetrical centre face of the biconvex lens, the dipped beam reflector
Anti-dazzling screen 34 is equipped between 32 and the biconvex lens, for blocking some light reflected by the dipped beam reflector 32, such as
Shown in Fig. 2, the anti-dazzling screen 34 is to block line 341 with the tangent line of light, and the center for blocking line 341 is located at the biconvex
The focal point of lens, the line 341 that blocks is non-rectilinear, and the line 341 that blocks is imaged as straight line after the biconvex lens,
The straight line is the dead line of the LED low-beam light 30.
By the way that anti-dazzling screen 34 is further arranged between the dipped beam reflector 32 and the biconvex lens in above scheme,
Play the role of blocking some light, and the dipped beam reflector 32 is located at the side in the symmetrical centre face of biconvex lens,
So that the light that the LED low-beam light 30 is launched passes through the effect of the dipped beam reflector 32 and the anti-dazzling screen 34, most
The light launched afterwards from the biconvex lens be located at horizontal line hereinafter, to effectively avoid in use light be mapped to
The driver of opposite lane vehicle, the case where causing safety accident generation.Moreover, by by it is described block line 341 be designed as it is non-straight
Line, and the non-directional center is located at the focal point of the biconvex lens, and is straight line after biconvex lens is imaged, so that
The light that the LED light source 31 emits has when launching finally by biconvex lens after the blocking of the anti-dazzling screen 34
Obvious dead line enhances the use of LED low-beam light 30 to improve the clarity of 30 dead line of LED low-beam light
Security performance.
Further, making the LED low-beam light 30 emit light by using the anti-dazzling screen 34 in above scheme has
Clear cut-off line, so that zonal ray more than dead line is darker, in one embodiment, as shown in figure 3, the outgoing
The lower edge in face 332 is equipped with concave convex texture 35, and the reflecting surface of the concave convex texture 35 and the dipped beam reflector 32 is located at described
Symmetrical centre face it is not ipsilateral.Lower edge described here refers to the side on the closer ground of the exit facet in use
Edge.By the way that the concave convex texture 35 is further arranged on the exit facet 332, so that stating dead line clearly feelings in realization
Under condition, so that the light in the area III meets regulation lighting requirement.Specifically, in use, light mainly passes through the biconvex
The lower half portion of lens is reflected and is reflected, and lower half portion here refers to that the biconvex lens is reflective relative to the dipped beam
Cup 32 is located at the part of the biconvex lens symmetrical centre face other side, and institute is arranged by the lower edge in the exit facet 332
Concave convex texture 35 is stated, when so that light being launched by the lower half portion of the biconvex lens, by the concave convex texture 35
Irregularity of the light based on the concave convex texture 35 will be reflected along different directions so that the area III have certain brightness,
Meet corresponding laws and regulations requirement.And it is located at the lower edge of the exit facet 332 based on the concave convex texture 35, ensureing the area III
In the case where brightness, the influence to the light luminance below the dead line has also been reduced to the greatest extent.
Specifically, the concave convex texture 35 can be diamond shape, triangle or other shapes, as long as can be realized the hair of light
It dissipates, light is enabled then to belong to range described in above scheme to the diverging of the area III.It is in one embodiment as shown in figure 3, described
Concave convex texture 35 is the strip lines rearranged by multiple square grids, and the strip lines is along the edge of the exit facet 332
Distribution.
Specifically, the shape of the biconvex lens in actual use, can be according to actual installation position change in shape
Difference and different from, such as the section of the biconvex lens can be round or rectangle.Or in one embodiment, will
It is section, such as Fig. 3 by the center of the biconvex lens, and perpendicular to the plane definition in the symmetrical centre face of the biconvex lens
Shown, the exit facet 332 is projected as round rectangle on the section, and the strip lines is two rows, two rows of strip lines
Long side of projection of the road on the section each parallel to the round rectangle.The long side of round rectangle described here is as figure
Position where strip lines described in 3.
Further, as shown in Fig. 2, in one embodiment, the anti-dazzling screen 34 face opposite with the biconvex lens
Equipped with boss 36 is blocked, for blocking the light of final directive point 50L.50L is regulation test point, corresponds to opposite lane vehicle
Front, the brightness of rules and regulations point 50L is no more than relevant regulations, in order to avoid the too opposite lane driver driving of bright influence, is caused
Safety accident.Above scheme then by blocking boss 36 described in the setting on the anti-dazzling screen 34, blocks the light of directive point 50L
Line, so that the LED low-beam light 30 meets relevant laws and regulations requirement.
As shown in figure 4, providing a kind of dipped headlight mould group 10, including 20 He of circuit substrate component in another embodiment
Above-mentioned LED low-beam light 30, the LED light source 31 are mounted on the circuit substrate component 20, the circuit substrate component 20
On the symmetrical centre face of the biconvex lens.
The dipped headlight mould group 10 that above scheme provides is mainly by using any of the above-described LED low-beam light as described in the examples
30, so that in the case where irradiating width is certain, relative to the dipped headlight using plano-convex lens, the LED low-beam light 30 of this programme
Size is smaller, and the requirement for vehicle installation space is lower.And the circuit substrate component by the way that the LED light source 31 will be installed
20 are arranged on the symmetrical centre face of biconvex lens, certain to the light progress of the LED light source 31 generation to block, so that
The light that LED light source 31 emits can only be reflected away by the dipped beam reflector 32, ensure that the dipped headlight mould group 10 generates
Light be located at horizontal line or less.
Further, as shown in figure 4, in one embodiment, the dipped headlight mould group 10 further includes shell 40, described
LED low-beam light 30 and the circuit substrate component 20 are installed in the shell 40, and the biconvex lens is located at the shell
40 one end.By the shell 40 by the LED low-beam light 30 and circuit substrate component 20 in above-mentioned dipped headlight mould group 10
Including protection, to ensure the validity of 10 optic path of dipped headlight mould group.
Further, as shown in figure 4, further including radiator 50 in one embodiment, the radiator 50 is mounted on institute
Shell 40 is stated close to the position of the circuit substrate component 20, the radiator 50 is connect with the circuit substrate component 20.It is logical
It crosses and the radiator 50 is set close to the position of the circuit substrate in the shell 40, so that the dipped beam reflector 32 and institute
It states the heat that LED light source 31 generates on circuit substrate component 20 preferably to be spread, improves making for the dipped headlight mould group 10
Use the service life.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of LED low-beam light, which is characterized in that including LED light source, dipped beam reflector and lens, the lens are lenticular
Mirror, the dipped beam reflector are located at the side of the biconvex lens, curved surface of the biconvex lens close to the dipped beam reflector
For the plane of incidence, the curved surface opposite with the plane of incidence is exit facet on the biconvex lens, the light energy of the LED light source transmitting
Enough after the reflection of the dipped beam reflector, the refraction by the plane of incidence and exit facet is launched.
2. LED low-beam light according to claim 1, which is characterized in that the curvature of the plane of incidence is less than the exit facet
Curvature.
3. LED low-beam light according to claim 1 or 2, which is characterized in that it is reflective that the LED light source is located at the dipped beam
In cup, the reflecting surface of the dipped beam reflector is located at the side in the symmetrical centre face of the biconvex lens, the dipped beam reflector
Anti-dazzling screen is equipped between the biconvex lens, for blocking some light reflected by the dipped beam reflector, the shading
Piece and the tangent line of light are to block line, and the center for blocking line is located at the focal point of the biconvex lens, described to block line
For non-rectilinear, the line that blocks is imaged as straight line after the biconvex lens, and the straight line is the cut-off of the LED low-beam light
Line.
4. LED low-beam light according to claim 3, which is characterized in that the lower edge of the exit facet is equipped with concave convex texture,
The reflecting surface of the concave convex texture and the dipped beam reflector is located at the not ipsilateral of the symmetrical centre face.
5. LED low-beam light according to claim 4, which is characterized in that the concave convex texture is to be arranged by multiple square grids
The strip lines of composition, edge distribution of the strip lines along the exit facet.
6. LED low-beam light according to claim 5, which is characterized in that by the center of the biconvex lens, and perpendicular to
The plane in the symmetrical centre face of the biconvex lens is section, be projected as round rectangle of the exit facet in the section, institute
Strip lines is stated as two rows, long side of projection of two rows of strip lines on the section each parallel to the round rectangle.
7. LED low-beam light according to claim 3, which is characterized in that the anti-dazzling screen is opposite with the biconvex lens
Face is equipped with and blocks boss, for blocking the light of final directive point 50L.
8. a kind of dipped headlight mould group, which is characterized in that including circuit substrate component and the described in any item LED of claim 1 to 7
Dipped headlight, the LED light source are mounted on the circuit substrate component, and the circuit substrate component is located at the biconvex lens
On symmetrical centre face.
9. dipped headlight mould group according to claim 8, which is characterized in that it further include shell, the LED low-beam light and described
Circuit substrate component is installed in the shell, and the biconvex lens is located at one end of the shell.
10. dipped headlight mould group according to claim 9, which is characterized in that further include radiator, the radiator is mounted on
The shell is connect close to the position of the circuit substrate component, the radiator with the circuit substrate component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820850701.8U CN208253440U (en) | 2018-06-01 | 2018-06-01 | LED low-beam light and dipped headlight mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820850701.8U CN208253440U (en) | 2018-06-01 | 2018-06-01 | LED low-beam light and dipped headlight mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208253440U true CN208253440U (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820850701.8U Active CN208253440U (en) | 2018-06-01 | 2018-06-01 | LED low-beam light and dipped headlight mould group |
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| CN (1) | CN208253440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103755A1 (en) * | 2019-11-26 | 2021-06-03 | 华域视觉科技(上海)有限公司 | Vehicle lamp module, vehicle headlamp, and vehicle |
-
2018
- 2018-06-01 CN CN201820850701.8U patent/CN208253440U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103755A1 (en) * | 2019-11-26 | 2021-06-03 | 华域视觉科技(上海)有限公司 | Vehicle lamp module, vehicle headlamp, and vehicle |
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