Light shielding plate, vehicle lamp optical system and vehicle

Abstract

The utility model discloses a shading plate, an automobile lamp optical system and an automobile, and relates to the technical field of automobile lighting. The light shielding plate comprises a light shielding plate body used for being installed between a primary optical element and a light emitting element, and a cut-off line structure is arranged on the boundary of the side, close to the light emitting element, of the light shielding plate body in a light path. A part of light emitted by the light source is converged by the primary optical element, then is cut off by the light shielding plate body, enters the light emitting element and is emitted by the light emitting element to form a light emitting shape with a light and shade cut-off line, and a first opening structure is arranged on the boundary of one side, close to the primary optical element, of the light shielding plate body in the light path. And the other part of light emitted by the light source is converged by the primary optical element, passes through the first opening structure, then enters the light emitting element and is emitted by the light emitting element to form a region III light shape. The shading plate can solve the problems that due to the fact that an III-area structure is arranged on an existing lens, the appearance and the optical effect of the lens are affected badly, and the machining precision is difficult to guarantee.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive lighting, and in particular, to a light shield, a vehicle lighting optical system and a vehicle. Background Art

[0002] As an important exterior part of a vehicle, automotive headlights should not only be aesthetically pleasing but also have good lighting effects. In low-beam lighting, in order to enable the driver to better see road signs or road plates, it is often necessary to design a low-beam III-zone light pattern above the cut-off line of the low-beam light pattern. There are also certain lighting requirements for the low-beam III-zone light pattern in automotive headlight regulations (GB25991-2010).

[0003] Existing low-beam optical systems generally include a light source (such as an LED), a condenser, a light shield with a cut-off line structure, and a lens, so that part of the light emitted by the light source is directly projected through the lens after being distributed by the condenser, and the other part of the light is projected through the lens after being blocked by the light shield. The energy of the two parts of light is redistributed after passing through the lens to form a low-beam light pattern.

[0004] At the same time, in existing low-beam III-zone structure solutions, an III-zone structure (such as a micro-structure or pattern) is often set on the inner surface and / or outer surface of the lens, so that part of the light can be refracted upward when passing through this area and projected onto the low-beam III-zone position to form a low-beam III-zone light pattern.

[0005] In the above-mentioned low-beam optical system, forming the low-beam III-zone light pattern by setting the III-zone structure on the inner surface and / or outer surface of the lens will affect the appearance of the lens. The III-zone structure can often be seen on the front and side of the headlight. Moreover, it is often difficult to ensure the machining accuracy of parts when making the III-zone structure on the lens, and affected by the lens material, the actual product processing state is unstable. In addition, the III-zone structure will also damage the original optical effect of the lens and affect the uniformity and maximum brightness of the high and low beams. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a light shield, a vehicle lighting optical system and a vehicle, which can solve the problems in the prior art that the appearance and optical effect of the lens are adversely affected and the machining accuracy of parts is difficult to guarantee due to the setting of the III-zone structure on the lens.

[0007] The embodiments of the utility model are implemented as follows:

[0008] In the first aspect of the embodiment of the present utility model, a light shield is provided, which includes a light shield body. The light shield body is used to be installed between a primary optical element and a light-emitting element. A cut-off line structure is provided on one side boundary of the light shield body in the optical path close to the light-emitting element, so that a part of the light emitted by the light source is converged by the primary optical element and then cut off by the light shield body and then enters the light-emitting element and is emitted by the light-emitting element to form a light-emitting light pattern with a bright and dark cut-off line. A first opening structure is provided on one side boundary of the light shield body in the optical path close to the primary optical element, so that another part of the light emitted by the light source is converged by the primary optical element and then enters the light-emitting element through the first opening structure and is emitted by the light-emitting element to form a light pattern in area III. This light shield can solve the problems in the prior art that the appearance and optical effect of the lens are adversely affected and the machining accuracy of parts is difficult to guarantee due to the setting of the structure in area III on the lens.

[0009] As an implementable manner, the light shield further includes a reinforcing plate. The reinforcing plate is installed below the light shield body. A second opening structure is provided on the reinforcing plate corresponding to the first opening structure, so that another part of the light emitted by the light source is converged by the primary optical element and then enters the light-emitting element through the first opening structure and the second opening structure and is emitted by the light-emitting element to form a light pattern in area III.

[0010] As an implementable manner, along the direction from the light-emitting element to the primary optical element, the plate surface of the light shield body is gradually bent upward. One side boundary of the light shield body in the optical path extends downward to form a first flanging, and the first opening structure is arranged on the first flanging; when the light shield further includes a reinforcing plate, along the direction from the light-emitting element to the primary optical element, the plate surface of the reinforcing plate is gradually bent upward. One side boundary of the reinforcing plate in the optical path extends downward to form a second flanging, and the second opening structure is arranged on the second flanging.

[0011] As an implementable manner, the light shield body includes a plurality of plate bodies fixedly connected in sequence. The plurality of plate bodies are stacked and arranged alternately.

[0012] As an implementable manner, the light shield further includes a bracket. First mounting structures are provided on opposite sides of the light shield body. The first mounting structures are used to fixedly mount the light shield body on the bracket; when the light shield further includes a reinforcing plate, second mounting structures are provided on the reinforcing plate corresponding to the first mounting structures. The light shield body, the reinforcing plate and the bracket are stacked in sequence. The second mounting structures are used to fixedly mount the reinforcing plate on the bracket.

[0013] As an implementable manner, the bracket includes two relatively arranged and spaced sub-brackets. Each sub-bracket includes a vertical plate and a supporting plate fixedly connected to one side of the vertical plate. Opposite sides of the light-shielding plate body are respectively fixedly installed on the supporting plates of the two sub-brackets. The materials of the vertical plates of the two sub-brackets are both materials for preventing sunlight focusing or anti-solar focusing film layers are provided on the surfaces of the vertical plates of the two sub-brackets.

[0014] As an implementable manner, the cross-sectional shape of the light and dark cut-off line is in the shape of a "bathtub", and the first opening structure is located at the position where the "bathtub" shape is located.

[0015] As an implementable manner, the shape of the first opening structure is rectangular, trapezoidal, rhombic, triangular, circular or fan-shaped.

[0016] In a second aspect of the embodiments of the present invention, a vehicle lighting optical system is provided, including a light source, a primary optical element, a light-emitting element, and the above-mentioned light-shielding plate. The light-shielding plate is installed between the primary optical element and the light-emitting element. This light-shielding plate can solve the problems in the prior art that the appearance and optical effect of the lens are adversely affected and the machining accuracy of parts is difficult to guarantee due to the setting of the III-region structure on the lens.

[0017] In a third aspect of the embodiments of the present invention, a vehicle is provided, including the above-mentioned vehicle lighting optical system. This light-shielding plate can solve the problems in the prior art that the appearance and optical effect of the lens are adversely affected and the machining accuracy of parts is difficult to guarantee due to the setting of the III-region structure on the lens.

[0018] The beneficial effects of the embodiments of the present invention include:

[0019] The light shield includes a light shield body, which is used to be installed between the primary optical element and the light-emitting element. A cut-off line structure is provided on one side boundary of the light shield body close to the light-emitting element in the optical path, so that a part of the light emitted by the light source is converged by the primary optical element and then cut off by the light shield body and then enters the light-emitting element and is emitted by the light-emitting element to form a light-emitting light pattern with a bright and dark cut-off line. A first opening structure is provided on one side boundary of the light shield body close to the primary optical element in the optical path, so that another part of the light emitted by the light source is converged by the primary optical element and then enters the light-emitting element through the first opening structure and is emitted by the light-emitting element to form a light pattern in area III. Compared with the prior art in which a structure in area III is provided on the inner surface and / or outer surface of the lens to form a low beam light pattern in area III, the vehicle lighting optical system provided in this application does not need to damage the inner surface and / or outer surface of the lens. On the premise of ensuring that the appearance and optical effect of the lens are not affected, by providing a first opening structure on the light shield body, part of the light passes through the first opening structure and then enters the light-emitting element and this part of the light is used to form a light pattern in area III. In addition, compared with processing the structure in area III on the inner surface and / or outer surface of the lens, the light shield provided in this application reduces the requirement for the machining accuracy of parts by processing a first opening structure on one side boundary of the light shield body close to the primary optical element in the optical path, and improves the stability of the product processing state. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0021] Figure 1 FIG. 9 is one of the schematic structural diagrams of the light shield provided in the first embodiment of the present invention;

[0022] Figure 2 FIG. 13 is the second schematic structural diagram of the light shield provided in the first embodiment of the present invention;

[0023] Figure 3 FIG. 17 is the third schematic structural diagram of the light shield provided in the first embodiment of the present invention;

[0024] Figure 4 FIG. 21 is the schematic structural diagram of the vehicle lighting optical system provided in the first embodiment of the present invention;

[0025] Figure 5 FIG. 25 is the light pattern schematic diagram of the vehicle lighting optical system provided in the first embodiment of the present invention;

[0026] Figure 6 One of the schematic structural diagrams of the light-shielding plate provided by the second embodiment of the present utility model;

[0027] Figure 7 Another schematic structural diagram of the light-shielding plate provided by the second embodiment of the present utility model;

[0028] Figure 8 Schematic structural diagram of the vehicle headlight optical system provided by the second embodiment of the present utility model;

[0029] Figure 9 Schematic diagram of the light pattern of the vehicle headlight optical system provided by the second embodiment of the present utility model.

[0030] Reference numerals: 100 - vehicle headlight optical system; 10 - light source; 20 - primary optical element; 30 - light-emitting element; 40 - light-shielding plate; 41 - light-shielding plate body; 41a - first flanging; 41b - plate body; 411 - cut-off line structure; 412 - first opening structure; 413 - first mounting structure; 42 - reinforcing plate; 421 - second opening structure; 422 - second mounting structure; 43 - sub-bracket; 431 - vertical plate; 432 - support plate; 4321 - third mounting structure; 433 - connecting plate. Detailed implementation manners

[0031] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts fall within the scope of protection of the present utility model.

[0033] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0034] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is customarily placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0035] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. It should be noted separately that, for example, when light converges to the focal point, it is not strictly converging to the focal point, and it is also acceptable near the focal point (<2mm). Similarly, setting the focal point at the cut-off line structure includes both the meaning of setting the focal point on the cut-off line structure and near the cut-off line structure.

[0036] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the connection inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0037] Please refer to Figures 1 to 9 , the embodiment of the present application provides a vehicle lighting optical system 100, including a light source 10, a primary optical element 20, a light-emitting element 30, and a light-shielding plate 40. As shown in Figure 4 and Figure 8 , the light-shielding plate 40 is installed between the primary optical element 20 and the light-emitting element 30. The light-shielding plate 40 can solve the problems in the prior art that the appearance and optical effect of the lens are adversely affected and the machining accuracy of the parts is difficult to guarantee due to the setting of the III-region structure on the lens.

[0038] Among them, as shown in Figures 1 to 4 , Figures 6 to 8As shown, the light shield 40 includes a light shield body 41. The light shield body 41 is used to be installed between the primary optical element 20 and the light-emitting element 30. A cut-off line structure 411 is provided on one side boundary of the light shield body 41 in the optical path and close to the light-emitting element 30, so that a part of the light emitted by the light source 10 is converged by the primary optical element 20 and then cut off by the light shield body 41 and then enters the light-emitting element 30 and is emitted by the light-emitting element 30 to form a light-emitting light pattern with a bright and dark cut-off line. A first opening structure 412 is provided on one side boundary of the light shield body 41 in the optical path and close to the primary optical element 20, so that another part of the light emitted by the light source 10 is converged by the primary optical element 20 and then enters the light-emitting element 30 through the first opening structure 412 and is emitted by the light-emitting element 30 to form a light pattern in area III.

[0039] Specifically, as Figures 1 to 3 , Figure 6 and Figure 7 shown, the light shield 40 includes a light shield body 41. As Figure 4 and Figure 8 shown, the light shield body 41 is used to be installed between the primary optical element 20 and the light-emitting element 30. Among them, a cut-off line structure 411 is provided on one side boundary of the light shield body 41 in the optical path and close to the light-emitting element 30. A part of the light emitted by the light source 10 can pass through the cut-off line structure 411 of the light shield body 41 after being converged by the primary optical element 20. This part of the light is cut off by the light shield body 41 and then enters the light-emitting element 30, and is emitted by the light-emitting element 30 to form a light-emitting light pattern with a bright and dark cut-off line. On this basis, a first opening structure 412 is provided on one side boundary of the light shield body 41 in the optical path and close to the primary optical element 20. Another part of the light emitted by the light source 10 can pass through the first opening structure 412 after being converged by the primary optical element 20. This part of the light enters the light-emitting element 30 through the first opening structure 412 and is emitted by the light-emitting element 30 to form a light pattern in area III.

[0040] As an implementable manner, as Figure 4 and Figure 8 shown, the primary optical element 20 can be a condenser, and the light-emitting element 30 can be a lens. Of course, the primary optical element 20 is not limited to a condenser, and other optical elements such as a reflector can also be used. The light-emitting element 30 is not limited to a lens, and other optical elements such as a reflector can also be used.

[0041] Compared with the prior art in which a III - zone structure is provided on the inner surface and / or outer surface of a lens to form a low - beam III - zone light pattern, for the vehicle lighting optical system 100 provided in this application, without damaging the inner surface and / or outer surface of the lens, and on the premise of ensuring that the appearance and optical effect of the lens are not affected, by providing a first opening structure 412 on the light - shielding plate body 41, part of the light rays enter the light - emitting element 30 after passing through the first opening structure 412 and this part of the light rays is used to form the III - zone light pattern. In addition, compared with machining the III - zone structure on the inner surface and / or outer surface of the lens, for the light - shielding plate 40 provided in this application, by machining the first opening structure 412 on the side boundary of the light - shielding plate body 41 close to the primary optical element 20 in the optical path, the requirement for the machining accuracy of parts is reduced, and the stability of the product machining state is improved.

[0042] As an implementable manner, as Figure 2 shown, the light - shielding plate 40 further includes a reinforcing plate 42. The reinforcing plate 42 is installed below the light - shielding plate body 41 to support the light - shielding plate body 41 along the plate surface of the light - shielding plate body 41 through the reinforcing plate 42, thereby improving the strength of the light - shielding plate 40 and avoiding breakage of the light - shielding plate 40 due to insufficient strength caused by the relatively thin light - shielding plate body 41. On this basis, a second opening structure 421 corresponding to the first opening structure 412 is provided on the reinforcing plate 42 to prevent the reinforcing plate 42 from interfering with the light rays entering the light - emitting element 30 after passing through the first opening structure 412. In this way, another part of the light rays emitted by the light source 10 can pass through the first opening structure 412 and the second opening structure 421 after being converged by the primary optical element 20. This part of the light rays enters the light - emitting element 30 after passing through the first opening structure 412 and the second opening structure 421, and is emitted by the light - emitting element 30 to form the III - zone light pattern. The above - mentioned second opening structure 421 is correspondingly arranged with the first opening structure 412, which can be understood as that as long as the light rays in the optical path can enter the second opening structure 421 after passing through the first opening structure 412, they will surely enter the light - emitting element 30 after passing through the second opening structure 421, and there will be no shielding phenomenon due to the action of the reinforcing plate 42.

[0043] As an implementable manner, as Figures 6 to 8As shown, along the direction from the light-emitting element 30 to the primary optical element 20, the plate surface of the light-shielding plate body 41 is gradually bent upward. The light-shielding plate body 41 is disposed on one side of the optical path close to the primary optical element 20, and a first flanging 41a is formed by extending downward the side boundary. The first opening structure 412 is disposed on the first flanging 41a so that the light in the optical path can more easily pass through the first opening structure 412. When the light-shielding plate 40 further includes a reinforcing plate 42, correspondingly, along the direction from the light-emitting element 30 to the primary optical element 20, the plate surface of the reinforcing plate 42 is also gradually bent upward, and the bending amplitude of the plate surface of the reinforcing plate 42 matches the bending amplitude of the plate surface of the light-shielding plate body 41. The reinforcing plate 42 is disposed on one side of the optical path close to the primary optical element 20, and a second flanging is formed by extending downward the side boundary. The second opening structure 421 is disposed on the second flanging. Similarly, as long as the light in the optical path can pass through the first opening structure 412 and then enter the second opening structure 421, it will surely be able to enter the light-emitting element 30 after passing through the second opening structure 421.

[0044] As an implementable manner, as Figure 7 shown, the light-shielding plate body 41 includes a plurality of plate bodies 41b fixedly connected in sequence. The plurality of plate bodies 41b are stacked and staggered in sequence. That is to say, along the direction from the light-emitting element 30 to the primary optical element 20, the subsequent plate body 41b is stacked above the previous plate body 41b, and the boundary of the subsequent plate body 41b close to the light-emitting element 30 is fixedly connected to the boundary of the previous plate body 41b close to the primary optical element 20. Of course, in other embodiments, the light-shielding plate body 41 can also be an integral structure, as long as the light-shielding plate body 41 can be gradually bent upward according to the designed bending amplitude and extend downward to form the first flanging 41a. Those skilled in the art should be able to make reasonable selections and designs according to the actual situation, and no specific limitations are made here.

[0045] As an implementable manner, as Figure 1 and Figure 2As shown, the light shield 40 further includes a bracket for providing installation and support for the light shield body 41 through the bracket. First installation structures 413 are provided on opposite sides of the light shield body 41, and the first installation structures 413 are used to fixedly install the light shield body 41 on the bracket; when the light shield 40 further includes a reinforcing plate 42, second installation structures 422 corresponding to the first installation structures 413 are provided on the reinforcing plate 42. The light shield body 41, the reinforcing plate 42, and the bracket are sequentially stacked to provide installation and support for the light shield body 41 and the reinforcing plate 42 through the bracket, and the second installation structures 422 are used to fixedly install the reinforcing plate 42 on the bracket. By way of example, the first installation structures 413 include at least one installation hole. Correspondingly, the second installation structures 422 also include at least one installation hole. In addition, third installation structures 4321 corresponding to the first installation structures 413 are further provided on the bracket (i.e., the support plate 432 below), and the third installation structures 4321 also include at least one installation hole. In this way, the fastener can sequentially pass through the first installation structures 413, the second installation structures 422, and the third installation structures 4321 to fasten and connect the light shield body 41, the reinforcing plate 42, and the bracket together.

[0046] As an implementable manner, as Figure 2 shown, the bracket includes two relatively spaced sub-brackets 43. Each sub-bracket 43 includes a vertical plate 431 and a support plate 432 fixedly connected to one side of the vertical plate 431. By way of example, the vertical plate 431 and the support plate 432 are perpendicular to each other. Opposite sides of the light shield body 41 are respectively fixedly installed on the support plates 432 of the two sub-brackets 43, and the two sub-brackets 43 can form an integral bracket through a connecting plate 433. On this basis, the materials of the vertical plates 431 of the two sub-brackets 43 can both be materials for preventing sunlight focusing or anti-sunlight focusing film layers are provided on the surfaces of the vertical plates 431 of the two sub-brackets 43 to prevent sunlight from entering from the light-emitting element 30 and converging on the vertical plates 431, thereby causing the surfaces of the vertical plates 431 to burn and melt. Of course, the material of the connecting plate 433 can also be a material for preventing sunlight focusing or an anti-sunlight focusing film layer is provided on the surface to prevent sunlight from entering from the light-emitting element 30 and converging on the connecting plate 433, thereby causing the connecting plate 433 to burn and melt.

[0047] As an implementable manner, as Figure 1 、 Figure 2 and Figure 6 shown, the cross-sectional shape of the light and dark cut-off line is in the shape of a "bathtub", and the first opening structure 412 is located at the position where the "bathtub" shape is located. Of course, in other embodiments, the cross-sectional shape of the light and dark cut-off line can also be in other shapes such as a "broken line" shape. At this time, the first opening structure 412 is adaptively located at the position where the "broken line" shape is located.

[0048] As an implementable manner, the shape of the first opening structure 412 may be a regular shape such as a rectangle, a trapezoid, a rhombus, a triangle, a circle or a sector; of course, in other embodiments, the shape of the first opening structure 412 may also be other irregular shapes, and those skilled in the art should be able to make reasonable selections and designs according to the actual situation, and no specific limitations are made here. By way of example, as Figure 1 , Figure 2 and Figure 6 shown, in two embodiments provided by the present application, the shape of the first opening structure 412 is a rectangle.

[0049] The embodiment of the present application further provides a vehicle, including the above-mentioned vehicle lighting optical system 100. Since the structure and beneficial effects of the vehicle lighting optical system 100 have been described in detail in the foregoing embodiments, they will not be elaborated herein.

[0050] The foregoing are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

[0051] In addition, it should be noted that, in the various specific technical features described in the above specific embodiments, without conflict, they can be combined in any appropriate manner. To avoid unnecessary repetition, the present invention will not separately describe various possible combination manners.

Claims

1. A sunshade, characterized in that: The invention comprises a shading plate body, wherein the shading plate body is used to be installed between the primary optical element and the light emitting element, and a cut-off line structure is provided on one side boundary of the shading plate body arranged in the optical path close to the light emitting element, so that a part of the light emitted by the light source is converged by the primary optical element and then cut off by the shading plate body before entering the light emitting element and being emitted by the light emitting element to form a light emitting light shape with a bright and dark cut-off line, and a first opening structure is provided on one side boundary of the shading plate body arranged in the optical path close to the primary optical element, so that another part of the light emitted by the light source is converged by the primary optical element and then enters the light emitting element after passing through the first opening structure and being emitted by the light emitting element to form a light shape of zone III.

2. The sunshade according to claim 1, characterized in that: The shading plate also includes a reinforcing plate, which is installed below the shading plate body. A second opening structure is provided on the reinforcing plate corresponding to the first opening structure, so that another part of the light emitted by the light source is converged by the primary optical element and then passes through the first opening structure and the second opening structure to enter the light emitting element and is emitted by the light emitting element to form a light shape in zone III.

3. The sunshade according to claim 1 or 2, characterized in that: Along the direction from the light emitting element to the primary optical element, the plate surface of the shading plate body is gradually bent upward, and a side boundary of the shading plate body disposed in the optical path close to the primary optical element extends downward to form a first flange, and the first opening structure is disposed on the first flange; When the shading plate also includes a reinforcing plate, the reinforcing plate is installed below the shading plate body, and a second opening structure is provided on the reinforcing plate corresponding to the first opening structure, the plate surface of the reinforcing plate is gradually bent upward along the direction from the light emitting element to the primary optical element, and a side boundary of the reinforcing plate arranged in the light path close to the primary optical element extends downward to form a second flange, and the second opening structure is arranged on the second flange.

4. The sunshade according to claim 3, characterized in that: The shading plate body comprises a plurality of plates which are fixedly connected in sequence, and the plurality of plates are stacked in sequence and arranged in an alternating manner.

5. The sunshade according to claim 1 or 2, characterized in that: The sunshade further comprises a bracket, and first mounting structures are arranged on opposite sides of the sunshade body, and the first mounting structures are used to fix the sunshade body on the bracket; When the shading plate further includes a reinforcing plate, a second mounting structure is provided on the reinforcing plate corresponding to the first mounting structure, the shading plate body, the reinforcing plate and the bracket are stacked in sequence, and the second mounting structure is used to fix the reinforcing plate on the bracket.

6. The sunshade according to claim 5, characterized in that: The bracket includes two sub-brackets that are opposite and spaced apart, each of the sub-brackets includes a vertical plate and a supporting plate fixedly connected to one side of the vertical plate, the opposite sides of the sunshade body are respectively fixedly mounted on the supporting plates of the two sub-brackets, the materials of the vertical plates of the two sub-brackets are both anti-solar focusing materials or the surfaces of the vertical plates of the two sub-brackets are provided with anti-solar focusing film layers.

7. The sunshade according to claim 1, characterized in that: The cross-sectional shape of the cut-off line is a "bathtub" shape, and the first opening structure is located at the position where the "bathtub" shape is located.

8. The sunshade according to claim 1, characterized in that: The first opening structure has a shape of a rectangle, a trapezoid, a diamond, a triangle, a circle or a fan.

9. A vehicle light optical system, characterized in that: It comprises a light source, a primary optical element, a light emitting element and the shading plate according to any one of claims 1 to 8, wherein the shading plate is installed between the primary optical element and the light emitting element.

10. A vehicle, characterized in that: The vehicle light optical system comprises the vehicle light optical system as claimed in claim 9.

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