A photographing assembly

Abstract

The utility model relates to a kind of shooting assemblies, comprising: first reflector, the middle of the first reflector is equipped with first light-transmitting hole;First photosensitive chip, the first photosensitive chip is located in one side of the first reflector, to allow the first photosensitive chip receive image light from the first light-transmitting hole;First light-transmitting cover, the first light-transmitting cover is located in the side of the first reflector away from the first photosensitive chip, at least by the first light-transmitting cover and the first reflector are formed first reflection cavity, the first light-transmitting hole is connected to the first reflection cavity;First light-absorbing piece, the first light-absorbing piece is located in the first reflection cavity and shields the partial inner wall of the first light-transmitting cover.

Description

Technical Field

[0001] This utility model relates to the field of vehicle-mounted lenses, and in particular to a shooting component. Background Technology

[0002] As intelligent driving systems continue to iterate and upgrade, automotive lenses, as crucial hardware carriers for acquiring external information, significantly impact the performance of these systems through their image quality. However, for most existing automotive lenses, stray light has a substantial impact on image quality, thus limiting improvements. Therefore, stray light has become a significant factor restricting the upgrade of intelligent driving systems. Utility Model Content

[0003] Therefore, it is necessary to provide a shooting component to address the issue of low image quality of vehicle-mounted cameras.

[0004] A shooting component, comprising:

[0005] A first reflecting mirror, wherein a first light-transmitting hole is formed in the middle of the first reflecting mirror;

[0006] A first photosensitive chip is located on one side of the first reflector to allow the first photosensitive chip to receive image light from the first light-transmitting aperture;

[0007] A first light-transmitting cover is located on the side of the first reflector away from the first photosensitive chip, and a first reflective cavity is formed by at least the first light-transmitting cover and the first reflector, and the first light-transmitting hole is connected to the first reflective cavity;

[0008] The first light-absorbing element is located inside the first reflective cavity and partially blocks the inner wall of the first light-transmitting cover.

[0009] In one embodiment, the first light-absorbing element is attached to the inner wall of the first light-transmitting cover.

[0010] In one embodiment, the imaging assembly further includes a second reflector located within the first reflective cavity and disposed opposite to the first reflector, with the first light-transmitting cover located between the first reflector and the second reflector.

[0011] In one embodiment, the imaging assembly further includes a first light-shielding plate, which is opposite to and spaced apart from the first reflector. A first light-transmitting cover is arranged around the first light-shielding plate and the first reflector. The first light-shielding plate, the first light-transmitting cover, and the first reflector form the first reflective cavity. The second reflector is mounted on the first light-shielding plate.

[0012] In one embodiment, the imaging assembly further includes a first pressure ring and a first lens group, the first lens group being located between the first photosensitive chip and the first light-transmitting hole, the first pressure ring being disposed around the periphery of the first lens group and pressing the edge of the first reflector onto the first lens group, and the first pressure ring and the first light-shielding plate being connected through the first light-transmitting cover.

[0013] A shooting component, comprising:

[0014] The third reflecting mirror has a second light-transmitting hole in the middle;

[0015] The second photosensitive chip is located on one side of the third reflector to allow the second photosensitive chip to receive image light from the second light-transmitting aperture;

[0016] The second light-shielding plate is located on the side of the third reflector that is away from the second photosensitive chip, and the second light-shielding plate is arranged opposite to the third reflector.

[0017] The second light-transmitting cover is disposed between the second light-shielding plate and the third reflector;

[0018] The third light-shielding plate is disposed between the second light-shielding plate and the third reflector. The third reflector, the second light-shielding plate, the second light-transmitting cover and the third light-shielding plate surround to form a second reflective cavity. The second light-transmitting hole is connected to the second reflective cavity.

[0019] The second light-absorbing element is located inside the second reflective cavity and is mounted on the third light-shielding plate.

[0020] In one embodiment, the second light-transmitting cover is spherical or ellipsoidal.

[0021] In one embodiment, the third light-shielding plate is flat.

[0022] In one embodiment, the imaging assembly further includes a fourth reflector located within the second reflecting cavity and positioned opposite the third reflector.

[0023] In one embodiment, the second light-shielding plate and the third light-shielding plate are an integral structure.

[0024] The beneficial effects of this utility model are as follows:

[0025] In the first aspect, image light from the target enters the first reflective cavity through the portion of the first light-transmitting cover not blocked by the first light-absorbing element, is reflected, reaches the first light-transmitting aperture, and then proceeds to the first photosensitive chip for imaging. During this process, stray light and image light have different optical paths, so stray light is absorbed by the first light-absorbing element after passing through the first light-transmitting cover and entering the first reflective cavity. As a result, the amount of stray light reaching the first light-transmitting aperture is significantly reduced, and the image quality at the first photosensitive chip is significantly improved.

[0026] Secondly, image light from outside the second reflective cavity can pass through the second light-transmitting cover into the second reflective cavity, then be reflected to the second light-transmitting aperture, and finally reach the second photosensitive chip for imaging. Simultaneously, some stray light is blocked by the third light-shielding plate, making it difficult for it to enter the second reflective cavity; some stray light also passes through the second light-transmitting cover into the second reflective cavity. However, due to the difference in the incident angle between this stray light and the image light, their reflected light paths within the second reflective cavity differ. This stray light, after reflection within the second reflective cavity, will then be directed towards the second light-absorbing element and absorbed. Therefore, less stray light ultimately reaches the second light-transmitting aperture, thus improving the imaging quality of the second photosensitive chip. Attached Figure Description

[0027] Figure 1 This is a three-dimensional structural diagram of the imaging component in Embodiment 1 of this utility model;

[0028] Figure 2 This is a cross-sectional structural diagram of the imaging component in Embodiment 1 of this utility model;

[0029] Figure 3 This is the optical path diagram of the imaging component in Embodiment 1 of this utility model;

[0030] Figure 4 This is a three-dimensional structural diagram of the imaging component in Embodiment 2 of this utility model. Figure 1 ;

[0031] Figure 5 This is a three-dimensional structural diagram of the imaging component in Embodiment 2 of this utility model. Figure 2 ;

[0032] Figure 6 This is a three-dimensional structural diagram of the imaging component in Embodiment 2 of this utility model. Figure 3 (The second light-transmitting cover is hidden);

[0033] Figure 7 This is a three-dimensional structural diagram of the imaging component in Embodiment 2 of this utility model. Figure 4 (The second light-transmitting cover is hidden);

[0034] Figure 8 This is a cross-sectional structural diagram of the imaging component in Embodiment 2 of this utility model;

[0035] Figure 9 This is the optical path diagram of the imaging component in Embodiment 2 of this utility model;

[0036] Figure 10 This is a cross-sectional structural diagram of the imaging component in Embodiment 3 of this utility model.

[0037] Figure label:

[0038] 11. First reflector; 111. First light-transmitting hole; 12. First photosensitive chip; 13. First light-transmitting cover; 14. First reflective cavity; 15. First light-absorbing element; 16. Second reflector; 17. First light-shielding plate; 18. First pressure ring; 19. First mirror group; 21. Third reflector; 211. Second light-transmitting hole; 22. Second photosensitive chip; 23. Second light-shielding plate; 24. Second light-transmitting cover; 25. Third light-shielding plate; 26. Second reflective cavity; 27. Second light-absorbing element; 28. Fourth reflector; 29. ​​Second mirror group; 210. Second pressure ring. Detailed Implementation

[0039] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0040] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0042] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0043] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0044] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0045] Example 1:

[0046] like Figure 1 and Figure 2 As shown, this embodiment provides a shooting component, including a first reflector 11, a first photosensitive chip 12, a first light-transmitting cover 13, and a first light-absorbing element 15.

[0047] The first reflector 11 has a first light-transmitting hole 111 in the middle, and the first photosensitive chip 12 is located on one side of the first reflector 11. The first photosensitive chip 12 can receive image light from the first light-transmitting hole 111 to form an image.

[0048] Optionally, the imaging component also includes a first lens group 19, which is located between the first photosensitive chip 12 and the first light-transmitting hole 111, through which image light at the first light-transmitting hole 111 can reach the first photosensitive chip 12.

[0049] The first light-transmitting cover 13 is located on the side of the first reflector 11 facing away from the first photosensitive chip 12. Thus, at least the first light-transmitting cover 13 and the first reflector 11 can form a first reflective cavity 14, wherein the first light-transmitting hole 111 is connected to the first reflective cavity 14. Image light from outside the first reflective cavity 14 can pass through the first light-transmitting cover 13 into the first reflective cavity 14, then be reflected within the first reflective cavity 14 and reach the first light-transmitting hole 111, and finally go to the first photosensitive chip 12 for imaging.

[0050] For example, the imaging component in this embodiment also includes a first light-shielding plate 17, which is positioned opposite and spaced apart from the first reflector 11. The first light-transmitting cover 13 is generally cylindrical and is arranged in a ring between the first light-shielding plate 17 and the first reflector 11. Thus, in this embodiment, the first light-shielding plate 17, the first light-transmitting cover 13, and the first reflector 11 together form the first reflecting cavity 14.

[0051] Preferably, the imaging assembly also includes a second reflector 16, which is located inside the first reflecting cavity 14 and mounted on the first light-shielding plate 17. This allows the second reflector 16 to be positioned opposite the first reflector 11, while the first light-transmitting cover 13 can also be located between the first reflector 11 and the second reflector 16. The image light inside the first reflecting cavity 14 needs to be reflected by the first reflector 11 and the second reflector 16 before reaching the first light-transmitting hole 111.

[0052] Specifically, the imaging assembly also includes a first retaining ring 18, which is arranged around the first lens group 19. The first retaining ring 18 can press the edge of the first reflecting mirror 11 onto the first lens group 19, so that the incident end of the first lens group 19 can be aligned with the first light-transmitting hole 111. One end of the first light-transmitting cover 13 is snapped onto the first retaining ring 18, and the other end of the first light-transmitting cover 13 is bonded or snapped onto the first light-shielding plate 17, so that the first retaining ring 18 and the first light-shielding plate 17 can be connected through the first light-transmitting cover 13.

[0053] The difference between this embodiment and the prior art is that the first light-absorbing element 15 is located inside the first reflective cavity 14 and blocks part of the inner wall of the first light-transmitting cover 13.

[0054] Preferably, the first light-absorbing element 15 is attached to the inner wall of the first light-transmitting cover 13.

[0055] Specifically, such as Figure 3As shown, image light from the target enters the first reflection cavity 14 through the portion of the first light-transmitting cover 13 not blocked by the first light-absorbing element 15. After multiple reflections by the first reflecting mirror 11 and the second reflecting mirror 16, it finally reaches the first light-transmitting aperture 111 and proceeds to the first photosensitive chip 12 for imaging. During this process, some stray light enters the first reflection cavity 14 through the portion of the first light-transmitting cover 13 blocked by the first light-absorbing element 15 and is directly absorbed by the first light-absorbing element 15. Other stray light enters the first reflection cavity 14 through the portion of the first light-transmitting cover 13 not blocked by the first light-absorbing element 15. Due to the difference in incident angle between this stray light and the image light, the reflected light path of this stray light in the first reflection cavity 14 is different from that of the image light. After reflection by the first reflecting mirror 11 and the second reflecting mirror 16, this stray light is directed towards the first light-absorbing element 15 and absorbed. Therefore, the stray light reaching the first light-transmitting aperture 111 is significantly reduced, and the image quality at the first photosensitive chip 12 is significantly improved.

[0056] It is understandable that when the cylindrical first light-transmitting cover 13 is not blocked by the first light-absorbing element 15, the shooting component can shoot within a 360° angle range; however, when the cylindrical first light-transmitting cover 13 is partially blocked by the first light-absorbing element 15, the shooting angle range of the shooting component will be less than 360°.

[0057] Example 2:

[0058] like Figures 4-8 As shown, this embodiment provides a shooting component, including a third reflector 21, a second photosensitive chip 22, a second light-shielding plate 23, a second light-transmitting cover 24, a third light-shielding plate 25, and a second light-absorbing element 27.

[0059] The third reflector 21 has a second light-transmitting hole 211 in the middle, and the second photosensitive chip 22 is located on one side of the third reflector 21. The second photosensitive chip 22 can receive image light from the second light-transmitting hole 211 to form an image.

[0060] Optionally, the imaging component also includes a second lens group 29, which is located between the second photosensitive chip 22 and the second light-transmitting aperture 211, through which image light at the second light-transmitting aperture 211 can reach the second photosensitive chip 22.

[0061] The second light-shielding plate 23 is located on the side of the third reflector 21 away from the second photosensitive chip 22. The second light-shielding plate 23 is arranged opposite to the third reflector 21. The second light-transmitting cover 24 and the third light-shielding plate 25 are arranged between the second light-shielding plate 23 and the third reflector 21. Thus, the third reflector 21, the second light-shielding plate 23, the second light-transmitting cover 24 and the third light-shielding plate 25 surround and form the second reflective cavity 26. The second light-transmitting hole 211 is connected to the second reflective cavity 26.

[0062] For example, in this embodiment, the second light-transmitting cover 24 is generally semi-cylindrical.

[0063] Preferably, the imaging assembly also includes a fourth reflector 28, which is located inside the second reflective cavity 26 and mounted on the second light shield 23, so that the fourth reflector 28 can be positioned opposite to the third reflector 21.

[0064] The second light-absorbing element 27 is located inside the second reflective cavity 26 and is mounted on the third light-shielding plate 25. Preferably, the second light-absorbing element 27 can be attached to the third light-shielding plate 25.

[0065] Specifically, such as Figure 9 As shown, image light from outside the second reflective cavity 26 can enter the second reflective cavity 26 through the second light-transmitting cover 24, and then reach the second light-transmitting aperture 211 through multiple reflections by the third reflector 21 and the fourth reflector 28, finally reaching the second photosensitive chip 22 for imaging. Simultaneously, some stray light is blocked by the third light-shielding plate 25, making it difficult to enter the second reflective cavity 26; some stray light also enters the second reflective cavity 26 through the second light-transmitting cover 24, but there is an optical path difference between this stray light and the image light. This stray light is reflected by the third reflector 21 and the fourth reflector 28 and is then directed towards the second light-absorbing element 27 and absorbed. Therefore, less stray light ultimately reaches the second light-transmitting aperture 211, improving the imaging quality of the second photosensitive chip 22.

[0066] In this embodiment, the third light-blocking plate 25 blocks the light, and the shooting range of the shooting component is specifically 180°.

[0067] Preferably, in this embodiment, the third light-shielding plate 25 is flat, which makes the space of the second reflective cavity 26 smaller than that of the first reflective cavity 14, thereby helping to miniaturize the imaging component.

[0068] Specifically, the imaging assembly also includes a second retaining ring 210, which is arranged around the second lens group 29. The second retaining ring 210 can press the edge of the third reflecting mirror 21 onto the second lens group 29, so that the incident end of the second lens group 29 can be aligned with the second light-transmitting hole 211. One end of the second light-transmitting cover 24 is snapped onto the second retaining ring 210, and the other end of the second light-transmitting cover 24 is bonded or snapped onto the second light-blocking plate 23. The second light-blocking plate 23 and the third light-blocking plate 25 are an integral structure, and the third light-blocking plate 25 is snapped onto the second retaining ring 210. In this way, the second retaining ring 210 and the second light-blocking plate 23 can be connected through the second light-transmitting cover 24 and the third light-blocking plate 25.

[0069] Example 3:

[0070] like Figure 10 As shown, the difference between this embodiment and Embodiment 2 is that the second light-transmitting cover 24 is spherical or ellipsoidal. Inside the second reflecting cavity 26, image light and stray light are reflected not only by the third reflecting mirror 21 and the fourth reflecting mirror 28, but also by the second light-transmitting cover 24. By setting the shape of the second light-transmitting cover 24 to spherical or ellipsoidal, a greater difference in the optical path can be created between image light and stray light, thereby further reducing stray light reaching the second light-transmitting aperture 211, and thus further improving the imaging quality at the second photosensitive chip 22.

[0071] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0072] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A shooting component, characterized in that, include: The first reflector (11) has a first light-transmitting hole (111) in the middle. A first photosensitive chip (12) is located on one side of the first reflector (11) to allow the first photosensitive chip (12) to receive image light from the first light-transmitting hole (111); The first light-transmitting cover (13) is located on the side of the first reflector (11) away from the first photosensitive chip (12). The first light-transmitting cover (13) and the first reflector (11) form a first reflective cavity (14), and the first light-transmitting hole (111) is connected to the first reflective cavity (14). The first light-absorbing element (15) is located inside the first reflective cavity (14) and blocks part of the inner wall of the first light-transmitting cover (13).

2. The shooting assembly according to claim 1, characterized in that, The first light-absorbing element (15) is attached to the inner wall of the first light-transmitting cover (13).

3. The shooting assembly according to claim 1, characterized in that, The shooting assembly also includes a second reflector (16), which is located inside the first reflective cavity (14) and is disposed opposite to the first reflector (11). The first light-transmitting cover (13) is located between the first reflector (11) and the second reflector (16).

4. The shooting assembly according to claim 3, characterized in that, The shooting assembly also includes a first light shield (17), which is opposite to and spaced apart from the first reflector (11). The first light-transmitting cover (13) is arranged around the first light shield (17) and the first reflector (11). The first light shield (17), the first light-transmitting cover (13) and the first reflector (11) surround to form the first reflective cavity (14). The second reflector (16) is mounted on the first light shield (17).

5. The shooting assembly according to claim 4, characterized in that, The imaging assembly also includes a first pressure ring (18) and a first lens group (19). The first lens group (19) is located between the first photosensitive chip (12) and the first light-transmitting hole (111). The first pressure ring (18) is arranged around the first lens group (19) and presses the edge of the first reflector (11) onto the first lens group (19). The first pressure ring (18) and the first light shield (17) are connected through the first light-transmitting cover (13).

6. A shooting component, characterized in that, include: The third reflector (21) has a second light-transmitting hole (211) in the middle. The second photosensitive chip (22) is located on one side of the third reflector (21) to allow the second photosensitive chip (22) to receive image light from the second light-transmitting hole (211); The second light-shielding plate (23) is located on the side of the third reflector (21) away from the second photosensitive chip (22), and the second light-shielding plate (23) is arranged opposite to the third reflector (21); The second light-transmitting cover (24) is disposed between the second light-shielding plate (23) and the third reflector (21); The third light-shielding plate (25) is disposed between the second light-shielding plate (23) and the third reflector (21). The third reflector (21), the second light-shielding plate (23), the second light-transmitting cover (24) and the third light-shielding plate (25) surround to form a second reflective cavity (26). The second light-transmitting hole (211) is connected to the second reflective cavity (26). The second light-absorbing element (27) is located inside the second reflective cavity (26) and mounted on the third light-shielding plate (25).

7. The shooting assembly according to claim 6, characterized in that, The second light-transmitting cover (24) is spherical or ellipsoidal.

8. The shooting assembly according to claim 6, characterized in that, The third light-shielding plate (25) is flat.

9. The shooting assembly according to claim 6, characterized in that, The imaging assembly also includes a fourth reflector (28), which is located inside the second reflector cavity (26) and is positioned opposite to the third reflector (21).

10. The shooting assembly according to claim 6, characterized in that, The second light-shielding plate (23) and the third light-shielding plate (25) are an integral structure.

Images