JP7404528B2 - Vehicle lamp module, vehicle headlamp and vehicle - Google Patents

Description

[Cross reference to related applications]
This application claims the benefit of Chinese Patent Application No. 201911175135.0 filed on November 26, 2019, the contents of which are incorporated herein by reference.

TECHNICAL FIELD The present invention relates to a vehicle lighting device, specifically to a vehicle lamp module, and further to a vehicle headlamp and a vehicle.

When driving at night, it goes without saying that vehicle lighting systems, especially vehicle headlamps, are important. When a car is driving at high speeds, the dazzling high beams can cause the driver to lose control of the car, which can even lead to unexpected danger. Therefore, automobile headlamps must not only provide the driver with a wide visual range and good visual conditions, but also have as little impact on other road participants as possible so as not to dazzle them. be. With the development of technology, matrix LED headlamps have become one of the future development directions of automobile lamps.The light source of matrix LED headlamps consists of multiple LEDs, and these LEDs are arranged in a predetermined manner to form an array. By forming a pattern and turning off the LEDs in the corresponding area according to the positions of the vehicle and pedestrians in the front field of view of the vehicle, the matrix LED headlamp can avoid dazzling pedestrians or oncoming drivers.

In the prior art, a general matrix vehicle lamp module uses light sources arranged in a matrix and condensing elements corresponding to the light sources to solve the technical problem of dazzling a driver due to high beams. Patent Document 1, filed on April 13, 2018, discloses an optical module and a vehicle lamp, and a condenser used in the optical module includes a plurality of light guide members, and the light of each light guide member is The input end is provided in one-to-one correspondence with each light source, the light output end converges with each other to form an arc-shaped light output part, and the condenser has a convergence effect on the light emitted from the light source, and By merging the light emitted from adjacent light sources to some extent on the light output surface of the condenser, the spots formed by the light emitted from each light source are connected more uniformly, but the condenser has a very complicated structure. , it is necessary to ensure the accuracy of the relative position between each light guide member, and it is very difficult to ensure the processing accuracy of the condenser, and the mounting structure of the condenser is also very complicated. In this case, the installation cumulative error is very large, resulting in low precision of the optical system of the optical module, which impairs the light shape effect of the vehicle lamp.

With the development of the automobile industry, matrix vehicle lamps not only require the realization of ADB adaptive high beam function, but also based on this, further improve the uniformity of the light shape of the vehicle lamps, and enhance the heat dissipation performance of the vehicle lamps. , there is a need to reduce the weight and dimensions of vehicle lamps.

In view of the above deficiencies of the prior art, there is a need to design a new type of vehicle lamp module.

China Utility Model No. 201820529985.0

A first technical problem to be solved by the present invention is to provide a vehicle lamp module that has a simple structure and a uniform light shape.

A second technical problem to be solved by the present invention is to provide a vehicle headlamp that has a simple structure and a uniform light shape.

The third technical problem to be solved by the present invention is to provide a vehicle with a uniform light shape and low cost.

In order to achieve the above object, a first aspect of the present invention includes a light source, a condensing section, and a light emitting element installed in order along the light emitting direction, the light emitting element being an aspherical lens, and the light emitting element being an aspherical lens. The light condensing unit includes at least one condensing element, and the light source is configured such that the light emitted from the light source is converged by the condensing element and enters the light incident surface of the aspherical lens. , provides a vehicle lamp module capable of emitting light from a light emitting surface of the aspherical lens.

Preferably, the light exit surface of the aspherical lens is configured such that a central lateral cross section of the aspherical lens intersects with the light exit surface of the aspherical lens to form a central lateral transverse line; The central lateral transverse line has a first curvature boundary point and a second curvature boundary point, the first curvature boundary point being an arbitrary point between the midpoint and the left end point of the central lateral transverse line, The second curvature boundary point is an arbitrary point between the midpoint and the right end point of the central lateral transverse line, and the curvature of the central lateral transverse line from the first curvature boundary point to the second curvature boundary point. are equal, the curvature from the first curvature boundary point of the central transverse transverse line to the left end point, and the curvature from the second curvature boundary point of the central transverse transverse line to the right end point both initially increase, and then decreases to

Preferably, the curvature of the left end point of said central lateral transverse line and/or the curvature of the right end point of said central lateral transverse line is the curvature of said central lateral transverse line from a first curvature boundary point to a second curvature boundary point. be equivalent to.

In a preferred structural form, the light exit surface of the aspherical lens is a curved surface protruding forward, and the light exit surface of the aspherical lens further includes a longitudinal cross section of any one of the aspherical lenses and the The light exit surfaces of the aspherical lenses are configured to intersect to form one longitudinal transverse line, and the longitudinal transverse line is an arbitrary point between the midpoint and the upper end point of the longitudinal transverse line. has a curvature change boundary point that is one point, the curvatures of the longitudinal transverse line from the curvature change boundary point to the lower end point are equal, and the curvatures of the longitudinal transverse line from the curvature change boundary point to the upper end point are equal; The curvature of the upper end point of the longitudinal transverse line is smaller than the curvature of the lower end point of the longitudinal transverse line.

In another preferred structural form, the light exit surface of the aspherical lens is a curved surface protruding forward, and the light exit surface of the aspherical lens further includes a longitudinal cross section of any one of the aspherical lenses. and the light exit surface of the aspherical lens intersect to form one longitudinal transverse line, and the longitudinal transverse line is a line between the midpoint and the upper end point of the longitudinal transverse line. The curvature change boundary point is an arbitrary point, and the curvature of the longitudinal transverse line from the curvature change boundary point to the lower end point is equal, and the curvature of the longitudinal transverse line from the curvature change boundary point to the upper end point is gradually decreases to

Preferably, the light entrance surface of the aspherical lens projects rearward along the optical axis direction of the aspherical lens.

Preferably, the light condensing unit includes a plurality of light condensing elements, and the light condensing elements may be arranged in a matrix of one row and multiple columns, or may be arranged in a matrix of multiple rows and multiple columns.

More preferably, the light condensing element is a plano-convex lens, the light incidence surface of the light condensing element is a flat surface, and the light exit surface of the light condensing element is a curved surface protruding forward.

Specifically, the vehicle lamp module further includes a mounting bracket for mounting the light condensing part, the mounting bracket is provided with a positioning pin and a mounting hole, a flange is provided around the mounting bracket, and the mounting bracket is provided with a locating pin and a mounting hole. The light collecting part and the mounting bracket may be integrally molded or assembled together.

Preferably, the light source is provided in front of the focal point of the condensing element.

More preferably, the light source is provided at the focal plane of the aspheric lens.

A second aspect of the present invention includes the vehicle lamp module according to any one of the technical solutions of the first aspect, wherein the vehicle headlamps are arranged and distributed in a vertical direction, a horizontal direction, or an oblique direction. I will provide a.

A third aspect of the invention provides a vehicle comprising the vehicle headlamp according to the technical solution of the second aspect.

In the basic technical scheme of the present invention, the light emitted from the light source is converged by a condensing part, enters the light incident surface of the aspherical lens, and then exits from the light exiting surface of the aspherical lens, and the condensing part By providing at least one concentrating element, the vehicle lamp module is not only simpler in structure, but also smaller in size and weight compared to concentrators with multiple light guide elements in the prior art. Furthermore, by continuously changing the curvature from the center to the edge of the aspherical lens of the present invention, it is possible to change the diffusion angle of the light shape and obtain a desired light shape.

Other advantages of the present invention and technical effects of the preferred embodiments will be explained in more detail in the following specific embodiments.

1 is a schematic structural diagram 1 of an embodiment of a vehicle lamp module of the present invention. FIG. FIG. 2 is a schematic structural diagram 2 of an embodiment of the vehicle lamp module of the present invention. FIG. 3 is a schematic view of the center longitudinal cross section of FIG. 2; FIG. 3 is a schematic view of the central transverse cross section of FIG. 2; FIG. 1 is a schematic diagram 1 of a structure of an embodiment of a light condensing section of the present invention. 6 is a partially enlarged view of section A in FIG. 5. FIG. FIG. 2 is a schematic structural diagram 2 of an embodiment of the light condensing section of the present invention. FIG. 6 is a schematic longitudinal cross-sectional view of FIG. 5; FIG. 6 is a schematic diagram of a lateral cross section of FIG. 5; 1 is a schematic diagram of a central longitudinal cross section of an embodiment of an aspherical lens according to the present invention; FIG. 1 is a schematic view of a central transverse cross section of an embodiment of an aspheric lens of the present invention; FIG. FIG. 3 is a schematic structural diagram of another embodiment of the aspherical lens of the present invention. 1 is a schematic illustration of a light shape projected by a prior art vehicle lamp module; FIG. FIG. 3 is a schematic diagram of a light shape projected by a vehicle lamp module of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. As can be understood, the specific embodiments described herein are merely used to explain and interpret the invention, and are not intended to limit the invention.

In the description of the present invention, unless otherwise specified and limited, terms such as "connection" and "installation" should be understood in a broad sense, such as fixed connection, removable connection, or integral connection. It may be a direct connection or an indirect connection via an intermediate medium, or it may be an internal communication between two elements, or an interaction relationship between two elements. Those skilled in the art can understand the specific meanings of the above terms in the present invention, as the case may be.

In addition, along the light emission direction, the "front" is the end where the aspherical lens 3 is located, the "rear" is the end where the light source 1 is located, and the "top" is the end where the aspherical lens 3 is located, and the "top" is the end where the aspherical lens 3 is located. ``Bottom'' refers to the upper side of the light output direction when the lamp module is installed correctly, ``bottom'' refers to the lower side of the light output direction when the vehicle lamp module is installed correctly, and ``left'' refers to the lower side of the light output direction when the vehicle lamp module is installed correctly. , "Right" is the left side of the light output direction when the vehicle lamp module is installed normally, "right" is the right side of the light output direction when the vehicle lamp module is installed normally, and "vertical direction" The "transverse section" is any one transverse section that is parallel to the optical axis 35 of the aspherical lens 3 and extends perpendicularly from the upper edge to the lower edge of the aspherical lens 3, and the "vertical transverse line 33" is , is a curve formed by the intersection of the longitudinal cross section and the light exit surface 32 of the aspherical lens 3, and the "horizontal cross section" is perpendicular to the longitudinal cross section, ” is a curve formed by the intersection of the horizontal cross section and the light exit surface 32 of the aspherical lens 3, and the “central longitudinal cross section” is a curve formed by the intersection of the horizontal cross section and the light exit surface 32 of the aspherical lens 3, and the “center longitudinal cross section” is a curve formed by the intersection of the horizontal cross section and the light exit surface 32 of the aspherical lens 3. The "central transverse cross section" is a transverse cross section passing through the optical axis 35 of the aspherical lens 3, and the "central longitudinal transverse line" is a cross section between the central longitudinal cross section and the aspheric lens 3. It is a curve formed by intersecting the light exit surface 32, and the "central lateral transverse line 34" is a curve formed by intersecting the central lateral cross section and the light exit surface 32 of the aspherical lens 3. , "the midpoint of the central transverse transverse line 34" is the intersection of the central transverse transverse line 34 and the optical axis 35, and the optical axis 35 passes through the focal point of the aspherical lens 3 and extends along the front-rear direction. This is the axis line. Terminology is based on the orientation or positional relationships depicted in the drawings, and is not intended to indicate or imply that the device or element necessarily has a particular orientation or is to be constructed or operated in a particular orientation. They are used to describe and simplify the description of the invention, and should therefore not be construed as limiting the invention.

As shown in FIGS. 1 to 4, the vehicle lamp module according to the basic solution of the present invention includes a light source 1, a light condensing part 2, and a light emitting element, which are installed in order along the emission direction of the light source 1. The light source 1 may be an LED light emitting chip, an OLED light emitting chip, or a light emitting chip based on a laser light source, and the light collecting unit 2 may include at least one light collecting element 21 , and behind each light collecting element 21 One light source 1 is correspondingly provided, and the light emitting element uses an aspherical lens 3. The diverging light emitted from the light source 1 is converged by the condensing element 21, enters the light entrance surface 31 of the aspherical lens 3, and exits from the light exit surface 32 of the aspherical lens 3. By adjusting the surface curvature of the light exit surface 32 of the aspherical lens 3, the refractive power of the aspherical lens 3 can be changed, thereby projecting a desired high beam light distribution pattern onto the optical screen. When the light condensing section 2 includes only one condensing element 21, the vehicle lamp module can realize a basic high beam function and obtain a high beam light shape that satisfies the legal regulations. When the light condensing element 21 is provided, the light source 1 corresponding to the rear of each condensing element 21 can be individually addressed, and the high beam illumination area is subdivided into a plurality of illumination areas, and the on-vehicle sensing system detects oncoming vehicles in the oncoming lane. Then, by turning off the light source 1 in the corresponding area, it effectively prevents dazzling caused by the high beam, and provides excellent lighting effects in other areas of the road surface, realizing the adaptive high beam function.

Preferably, the central transverse cross section of the aspherical lens 3 and the light exit surface 32 of the aspherical lens 3 intersect to form a central transverse transverse line 34, and the central transverse transverse line 34 has a first curvature. a boundary point and a second curvature boundary point, the first curvature boundary point being any one point between the midpoint of the central lateral transverse line 34 and the left end point, and the second curvature boundary point being an arbitrary point between the central lateral transverse line 34 It is an arbitrary point between the midpoint of the line 34 and the right end point, and the positions of the first curvature boundary point and the second curvature boundary point may be set symmetrically, and can be adjusted according to the required light shape. They may be set asymmetrically, and both may be set at the midpoint of the central transverse transverse line 34, as shown in FIG. For convenience of explanation, the curve from the first curvature boundary point to the second curvature boundary point of the central lateral transverse line 34 is referred to as the middle curve; The curve from the second curvature boundary point of the central transverse transverse line 34 to the right end point is called the right curve, and the curvature of the middle curve is equal to the curvature of the left curve. , and the curvature of said right curve both change according to the law of first increasing and then decreasing along the direction away from the optical axis 35, preferably the curvature can decrease until equal to the curvature of said middle curve. It is. More specifically, for the convenience of explaining the change in curvature of the light exit surface 32 of the aspherical lens 3 of the present invention, one virtual spherical lens will be constructed based on the aspherical lens 3, and the spherical lens will extend from the center of the lens. It has a constant curvature up to the edge, and the curvature at the center of the light exit surface of the spherical lens is the same as the curvature at the center of the light exit surface 32 of the aspherical lens 3, as shown in FIGS. 10 and 11. , the solid line in the figure is the central longitudinal transverse line 33 or the central transverse transverse line 34 of the aspheric lens 3, and the broken line is the longitudinal transverse line or transverse transverse line at the corresponding position of the spherical lens. Compared with the traditional spherical lens, the curvature change law of the middle curve of the central transverse transverse line 34 of the aspherical lens 3 is the same as the curvature variation law of the middle curve of the transverse transverse line at the corresponding position of the spherical lens. However, the curvatures of the left and right curves of the central lateral transverse line 34 of the aspherical lens 3 are both greater than the curvatures of the left and right curves of the lateral transverse line at the corresponding positions of the spherical lens. Because of the large size, the light exit direction of the left and right parts of the aspherical lens 3 is to exit in the direction approaching the optical axis 35, and the left part curve and the right part of the central transverse transverse line 34 of the aspherical lens 3 Since the curvature of the curve first increases and then decreases along the direction away from the optical axis 35, the amplitude of the left and right output lights of the aspherical lens 3 approaching the optical axis 35 increases first. , then decreases, i.e., if the curvature increases, the light has a tendency to project in a direction gradually approaching the optical axis 35, and if the curvature decreases, the light has a tendency to project in a direction gradually approaching the optical axis 35. The light is projected in a direction away from the optical axis 35. Due to the law of curvature change of the central transverse transverse line 34, the light emitted in the left-right direction of the light exit surface of the aspherical lens 3 has a high brightness in the central region as a whole, and the boundaries between each spot are blurred, resulting in a uniform light shape. achieve the effect of improving

More preferably, as shown in FIG. 10, the longitudinal cross section of any one of the aspherical lenses 3 and the light exit surface 32 of the aspherical lens 3 intersect to form one longitudinal transverse line 33. , the longitudinal transverse line 33 has a curvature change boundary point that is an arbitrary point between the midpoint and the upper end point of the longitudinal transverse line 33, and the position of the curvature change boundary point is determined according to the required light shape. can be adjusted. For convenience of explanation, the curve from the curvature boundary point of the longitudinal transverse line 33 to the upper end point is called the upper curve, and the curve from the curvature boundary point of the longitudinal transverse line 33 to the lower end point is called the lower middle curve. Called. In a preferred structural form, the middle and lower curves of the longitudinal transverse line 33 have equal curvatures, the upper curves of the longitudinal transverse line 33 have equal curvatures, and the curvature of the upper end point of the longitudinal transverse line 33 has the same curvature in the longitudinal direction. The curvature of the lower end point of the longitudinal transverse line 33 is smaller than the curvature of the lower end point of the transverse line 33, and as another preferred structure, the curvature of the middle and lower curves of the longitudinal transverse line 33 is equal, and the curvature of the upper curve of the longitudinal transverse line 33 is smaller than the curvature of the lower end point of the longitudinal transverse line 33. It gradually becomes smaller along the direction of separation. More specifically, compared to the conventional spherical lens, the law of change of the middle and lower part of the longitudinal transverse line 33 of any one of the aspherical lenses 3 is the lower middle part of the longitudinal transverse line 33 at the corresponding position of the spherical lens. It is the same as the law of variation, and the curvature of the upper curve of the longitudinal transverse line 33 of the aspherical lens 3 is smaller than the curvature of the upper curve of the longitudinal transverse line at the corresponding position of the spherical lens. When projecting light using a conventional spherical lens, the light is emitted in a direction approximately parallel to the optical axis 35 of the spherical lens, and the formed high beam shape is shown in FIG. They are distributed symmetrically in the area near the top and bottom of the beam, and do not meet the legal requirements for high beam light shape. As shown in FIG. 14, when using an aspherical lens 3 to project light, the same light exits from the longitudinal transverse line 33 of the aspherical lens 3 than from the upper curve of the longitudinal transverse line of the aspherical lens 3. When the light is emitted from the upper curve of meets regulatory requirements for high beam light shape.

Preferably, the aspherical lens 3 is a biconvex lens, and the light incident surface 31 protrudes toward the rear along the optical axis 35 direction of the aspherical lens 3, so that sunlight irradiates the aspherical lens 3. The focal point formed when doing so is closer to the aspherical lens 3 and further away from the bezel, thereby avoiding burnout of the bezel. Of course, the aspherical lens 3 may be a plano-convex lens, a concave-convex lens, or the like.

The aspherical lens in a preferred embodiment of the invention is based on a spherical lens, and the light exit surface 32 of the aspherical lens 3 is such that the curvature of the middle curve of the central transverse transverse line 34 is at the corresponding position of the spherical lens. The curvature of the left curve of the central transverse transverse line 34 of the aspherical lens 3 and the curvature of the right curve of the central transverse transverse line 34 of the aspherical lens 3 are both in the direction away from the optical axis 35. first increases, then decreases, and decreases until equal to the curvature of said middle curve, i.e. the left end point overlaps the corresponding left end point of the spherical lens, and the right end point overlaps the corresponding right end point of the spherical lens. , and the curvature of the lower middle curve of the longitudinal transverse line 33 of the aspherical lens 3 is equal to the curvature of the spherical lens, and the curvature of the upper curve of the longitudinal transverse line 33 of the aspherical lens 3 is from the optical axis 35. It is configured to gradually become smaller in the direction of separation. Regarding the aspherical lens 3 in the preferred embodiment of the present invention, a curved surface is formed by sweeping the central longitudinal transverse line of the aspherical lens 3 as a contour line and using the central transverse transverse line 34 of the aspherical lens 3 as a guide line. Alternatively, the central transverse transverse line 34 of the aspherical lens 3 is divided into a plurality of sub-line segments, and the longitudinal transverse line 33 of the aspherical lens 3 passing through the dividing point of each sub-line segment is defined as a contour line; The light exit surface 32 of the aspherical lens 3 is configured by sweeping the corresponding sub-line segment of the central horizontal transverse line 34 as a guide line and connecting a plurality of sweep surfaces to form the light exit surface 32. In this way, the light exit surface 32 can be divided into a plurality of sweep surfaces, and during the design of the light exit surface 32, the parameters of each sweep surface can be easily adjusted to finely adjust the formed light shape. In such a form, there are a plurality of longitudinal transverse lines 33 as contour lines, and the curvature of the upper curve of the longitudinal transverse line 33 is greater than the curvature of the longitudinal transverse line at the corresponding position of the spherical lens. Under the condition of being small, the curvature of the upper curve of each longitudinal transverse line 33 may be different, and the position of the curvature change boundary point of each longitudinal transverse line 33 can also be adjusted according to the required light shape.

In the structure of the aspherical lens 3 in the preferred embodiment of the present invention, one light source 1 is provided at the focal point of the aspherical lens 3, and the refractive law of the aspherical lens 3 is explained in more detail in conjunction with the light emitted from the light source 1. do. As shown in FIG. 10, since the curvatures of the middle and lower curves of the vertical transverse line 33 of the aspherical lens 3 are equal, the light L1 refracted by the middle and lower parts of the light exit surface 32 of the aspherical lens 3 is reflected by the aspherical lens 3. 3, and the curvature of the upper curve of the longitudinal transverse line 33 of the light exit surface 32 of the aspherical lens 3 gradually decreases in the direction away from the optical axis 35. The light L2 refracted by the upper part of the light exit surface 32 of the lens 3 is emitted diagonally upward with respect to the direction of the optical axis 35, and as shown in FIG. The two curvature boundary points are both set at the midpoint of the central transverse transverse line 34, and the curvatures of the left and right curves of the central transverse transverse line 34 are both set at the midpoint of the central transverse transverse line 34. On the other hand, the light L3 first increases and then decreases along the direction away from the optical axis 35. Therefore, since the curvature at the refraction point of L3 is larger than the curvature at the midpoint, the light L3 approaches the optical axis 35. Since the curvature of the refraction point of the light L4 is larger than the curvature of the refraction point of the light L3, the light L4 is emitted in a direction closer to the optical axis 35 than the light L3, and the light L5 Since the curvature at the position of the refraction point of light L4 is smaller than the curvature at the position of the refraction point of light L4, light L5 is emitted in a direction farther away from the optical axis 35 than light L4, and the curvature of the position of the refraction point of light L6 is smaller than the curvature of the position of the refraction point of light L4. Since the curvature of the position of the refraction point of L5 is smaller, the light L6 is emitted in a direction farther from the optical axis 35 than the light L5, that is, emitted along a direction substantially parallel to the optical axis 35, and in this way, The aspherical lens 3 diffuses the received light upward, and can project and form a brighter and more uniform light shape in the central region. In the optical path diagrams of FIGS. 10 and 11, the light path is such that the light source 1 is directly incident on the aspherical lens 3 and is not focused by the condensing element 21, but the light is emitted from the light source 1 and is condensed by the condensing element 21. The light incident on the aspherical lens 3 also follows the above-mentioned refraction law, and when the condensing section 2 includes one row of condensing elements 21, correspondingly, one light source is provided behind each condensing element 21. 1 are provided correspondingly, and the light emitted from each light source 1, converged by the condensing element 21, and incident on the aspherical lens 3 also follows the above refraction law, and in this way, the light is projected by the aspherical lens 3. In this way, the boundaries between the spots are blurred, and a highly uniform high beam light shape can be formed, and most of the formed high beam light shape is located above the horizontal 0 degree line, and the upward diffusion angle is very large.

More preferably, as shown in FIGS. 10 to 12, the aspherical lens 3 has a light entrance surface 31 and a light exit surface 3232, and the light exit surface 3232 is an aspheric surface to further diffuse the light on the surface. A vertical rib-like structure, a horizontal rib-like structure or a lattice-like structure is provided for this purpose. More preferably, the aspherical lens 3 is a biconvex lens, and the light entrance surface 31 protrudes toward the rear along the optical axis 35 direction of the aspherical lens 3, so that sunlight enters the aspherical lens 3. The focal point formed when irradiating is closer to the aspherical lens 3 and away from the bezel, thereby avoiding bezel burnout. Of course, the aspherical lens 3 may be a plano-convex lens, a concave-convex lens, or the like.

Preferably, as shown in FIGS. 5 and 6, the light collecting section 2 may include a plurality of light collecting elements 21, and the light collecting elements 21 may be arranged in a matrix of one row and a plurality of columns, or The light sources 1 can be arranged in a matrix of multiple rows and multiple columns, and the light sources 1 corresponding to the rear of each condensing element 21 can be individually addressed, subdividing the high beam illumination area into multiple illumination areas, and the in-vehicle sensing system can detect oncoming vehicles. When detected, the adaptive high beam function is realized by turning off the light source 1 in the corresponding area.

Preferably, as shown in FIGS. 8 and 9, the condensing element 21 is a plano-convex lens, the light incident surface of the condensing element 21 is a flat surface, and the light exiting surface is a curved surface protruding toward the front. Of course, the condensing element 21 may be a plano-convex, biconvex, concave-convex, or plano-concave lens. The condensing element 21 is preferably a plano-convex lens, and the condensing element 21 has a simple structure and high luminous efficiency compared to using a condenser with a conventional condensing cup structure to condense light. , in the case of the same light utilization rate, the distance between the light source 1 and the light incident surface of the condensing element 21 can be increased appropriately, thereby improving the heat dissipation effect of the vehicle lamp module, and the light source 1 It is provided 0.1 mm to 5 mm behind the incident surface, and the distance is preferably 0.5 mm, and the light incident surface of the light condensing element 21 is flat compared to the condensing element 21 having a convex light incident surface. By using this, the light incident on the light incident surface is less likely to be totally reflected, further improving the luminous efficiency.

Specifically, as shown in FIG. 7, the vehicle lamp module of the present invention further includes a mounting bracket 4 for mounting the light condensing part 2, and the mounting bracket 4 is provided with a positioning pin 41 and a mounting hole 42. Then, the light condensing section 2 is positioned and attached to another member such as a radiator, and a flange 43 is provided around the mounting bracket 4, so that the strength of the mounting bracket 4 is increased and the light condensing section 2 and the mounting bracket 4 may be integrally molded or assembled together.

Specifically, the light source 1 is provided in front of the focal point of the condensing element 21, and the distance is preferably 0.5 mm. After being refracted by the light output surface of the condensing element 21, it is diffused into the surroundings and refracted by the aspherical lens 3, which is advantageous in forming the final high beam shape. By providing it in front of the focal point of the light condensing element 21, the light emission efficiency can be further improved.

More specifically, the light source 1 is provided on the focal plane of the aspherical lens 3 to make the light distribution pattern projected on the optical screen clearer.

A vehicle lamp module according to a preferred embodiment of the present invention includes a light source 1, a light condensing section 2, and a light emitting element, which are installed in order along the light emission direction, and the light condensing section 2 is a concentrator distributed in a matrix of one row. It is equipped with an optical element 21, the condensing element 21 is a plano-convex lens, the light source 1 is provided behind the condensing element 21, and corresponds to each condensing element 21 on a one-to-one basis, and the light emitting element is This is the aspherical lens 3 in the above preferred embodiment. The vehicle lamp module further includes a mounting bracket 4 for mounting the light condensing section 2, and the mounting bracket 4 is provided with a positioning pin 41 and a mounting hole 42, so that it is connected to a member such as a radiator. A flange 43 is provided around the periphery of the mounting bracket 4 to increase the strength of the mounting bracket 4, and the light collecting part 2 and the mounting bracket 4 can be assembled and connected, or the light collecting part 2 and the mounting bracket 4 can be directly molded into one piece. be done. When installing the vehicle lamp module, the light source 1 may be provided 0.5 mm in front of the focal point of the condensing element 21. When the light source 1 is turned on, the light emitted from the light source 1 is converged by the condenser 2 and enters the aspherical lens 3, and the aspherical lens 3 diffuses the received light upward and makes the central area brighter and more uniform. The light shape can be projected and formed, and the light source 1 corresponding to the rear of each condensing element 21 of the vehicle lamp module is individually addressable, subdividing the high beam illumination area into a plurality of illumination areas, When the in-vehicle sensing system detects an oncoming vehicle in the oncoming lane, it turns off the light source 1 in the corresponding area, effectively preventing dazzling caused by high beams, and providing excellent lighting effects on other areas of the road surface. Realizes adaptive high beam function. The vehicle lamp module according to the preferred embodiment of the present invention is not only capable of realizing an adaptive high beam function, but also has light emitting efficiency by using the light collecting element 21 as the light collecting part 2 compared to the light collecting device of the prior art. The height is higher, occupies less space, the structure is simple, the dimensions are small, and the mounting bracket is integrally molded, which further improves the installation precision of the vehicle lamp module and allows dimming. At the time, it is only necessary to adjust the relative position between the condensing part 2 and the aspherical lens 3, thereby improving the optical precision of the vehicle lamp module, and the aspherical lens whose curvature of the light exit surface 32 changes. By using 3 as a light emitting element, it is possible to form a high beam light shape with high brightness in the central region and high uniformity.Furthermore, by adjusting the curvature of the light emitting surface 32 of the aspherical lens 3, various Light shapes can be obtained flexibly.

An embodiment of the vehicle headlamp of the present invention comprises at least one vehicle lamp module according to any one of the above technical solutions, wherein the vehicle lamp module is vertically distributed, horizontally distributed or diagonally distributed. It is arranged and distributed as follows. Embodiments of the vehicle headlamp according to the invention may comprise a vehicle lamp module as described in all the embodiments described above and thus have at least all the beneficial effects of the embodiments of the vehicle lamp module described above.

Vehicle embodiments of the invention may be equipped with a vehicle headlamp as described in the above embodiments and thus have at least all the beneficial effects of the above vehicle headlamp embodiments.

Although preferred embodiments of the present invention have been described above in detail with reference to the drawings, the present invention is not limited thereto. Without departing from the scope of the technical concept of the present invention, various simple modifications may be made to the technical solution of the present invention, including combining each specific technical feature in any appropriate manner. Can be done. To avoid unnecessary repetition, the present invention does not separately describe various possible combination schemes. Nevertheless, these simple variations and combinations are also considered to be disclosed in the present invention and fall within the patentable scope of the present invention.

1 Light source 2 Light condensing unit 21 Condensing element 3 Aspherical lens 31 Light entrance surface 32 Light exit surface 33 Vertical transverse line 34 Central horizontal transverse line 35 Optical axis 4 Mounting bracket 41 Positioning pin 42 Mounting hole 43 Flange

Claims (10)

A vehicle lamp module, comprising a light source (1), a condensing part (2), and a light emitting element, which are installed in order along the light emitting direction, the light emitting element being an aspherical lens (3), and the light emitting element being an aspherical lens (3); The light collecting section (2) includes at least one light collecting element (21), the light source (1) corresponds to the corresponding light collecting element (21), and the light emitted from the light source (1) is connected to the light collecting element (21). The light can be converged by the element (21), enter the light entrance surface (31) of the aspherical lens (3), and exit from the light exit surface (32) of the aspherical lens (3). The light exit surface (32) of the spherical lens (3) is formed by intersecting the central lateral cross section of the aspherical lens (3) and the light exit surface (32) of the aspherical lens (3). the central lateral transverse line (34) having a first curvature boundary point and a second curvature boundary point, the first curvature boundary point being configured to form a central lateral transverse line (34); The second curvature boundary point is an arbitrary point between the midpoint of (34) and the left end point, and the second curvature boundary point is an arbitrary point between the midpoint of the central horizontal transverse line (34) and the right end point. , the curvature from the first curvature boundary point to the second curvature boundary point of the central lateral transverse line (34) is equal, and the curvature from the first curvature boundary point to the left end point of the central lateral transverse line (34) is equal; and the curvature of the central lateral transverse line (34) from the second curvature boundary point to the right end point first increases and then decreases. The curvature of the left end point of said central lateral transverse line (34) and/or the curvature of the right end point of said central lateral transverse line (34) varies from a first curvature boundary point of said central lateral transverse line (34) to a second curvature boundary point of said central lateral transverse line (34). Vehicle lamp module according to claim 1, characterized in that the curvature is equal to the curvature boundary point. The light exit surface (32) of the aspherical lens (3) is a curved surface that protrudes forward, and the light exit surface (32) of the aspherical lens (3) further extends toward the front. Any one longitudinal transverse cross section and the light exit surface (32) of the aspherical lens (3) are configured to intersect to form one longitudinal transverse line (33), and the longitudinal transverse line (33) has a curvature change boundary point that is any one point between the midpoint and the upper end point of the longitudinal transverse line (33), and from the curvature change boundary point of the longitudinal transverse line (33). The curvatures from the curvature change boundary point to the upper end point of the longitudinal transverse line (33) are equal, and the curvature of the upper end point of the longitudinal transverse line (33) is equal to that of the longitudinal transverse line (33). (33) smaller than the curvature of the lower end point , or the light exit surface (32) of the aspherical lens (3) is a curved surface protruding forward, and the light exit surface of the aspherical lens (3) (32) further includes one longitudinal transverse line (33 ), the longitudinal transverse line (33) has a curvature change boundary point that is any one point between the midpoint and the upper end point of the longitudinal transverse line (33), The curvature of the longitudinal transverse line (33) from the curvature change boundary point to the lower end point is equal, and the curvature of the longitudinal transverse line (33) from the curvature change boundary point to the upper end point gradually decreases. The vehicle lamp module according to claim 2. Any one of claims 1 to 3 , wherein the light entrance surface (31) of the aspherical lens (3) projects rearward along the optical axis (35) direction of the aspherical lens (3). The vehicle lamp module according to item 1. The light collecting section (2) includes a plurality of light collecting elements (21), and the light collecting elements (21) may be arranged in a matrix of one row and a plurality of columns, or arranged in a matrix of a plurality of rows and a plurality of columns. The vehicle lamp module according to any one of claims 1 to 4, characterized in that it can be The light condensing element (21) is a plano-convex lens, the light incidence surface of the light condensing element (21) is a flat surface, and the light exit surface of the light condensing element (21) is a curved surface protruding forward. The vehicle lamp module according to any one of claims 1 to 5 , characterized in that: The mounting bracket (4) is further provided with a mounting bracket (4) for mounting the light condensing section (2), and the mounting bracket (4) is provided with a positioning pin (41) and a mounting hole (42), and the mounting bracket (4) is provided with a 7. A flange (43) is provided on the light collecting part (2) and the mounting bracket ( 4 ) are integrally molded or assembled and connected. The vehicle lamp module according to item 1. The light source (1) is provided in front of the focal point of the condensing element (21) , and/or the light source (1) is provided in the focal plane of the aspherical lens (3). The vehicle lamp module according to any one of items 1 to 7. A vehicle headlamp comprising at least one vehicle lamp module according to any one of claims 1 to 8 , wherein the vehicle lamp modules are distributed in a longitudinal, transverse or diagonal arrangement. Characteristic vehicle headlamps. A vehicle comprising the vehicle headlamp according to claim 9 .

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