Vehicle-mounted curved surface light field imaging system and vehicle

Abstract

The utility model provides a kind of vehicle curved surface light field imaging system and vehicle, including image generator and imaging component, the light ray of image generator emission is handled after imaging component, and the curved surface real image formed by imaging is spherical surface real image or cylindrical surface real image or even non-spherical surface real image;The imaging component includes optical mirror one, optical mirror two and optical mirror three, the light ray of image generator emission is sequentially reflected after optical mirror one, optical mirror two and optical mirror three, and then again be reflected by optical mirror two, and form the spherical surface real image, or the cylindrical surface real image, or the even non-spherical surface real image;Optical mirror one, optical mirror two and optical mirror three are all free curved surface mirror.The vehicle curved surface light field imaging system and vehicle provided by the utility model have real imaging effect, with stereoscopic feeling, greatly improve the use experience of user.

Description

Technical Field

[0001] This utility model relates to the field of imaging, and in particular to a vehicle-mounted curved surface light field imaging system and a vehicle. Background Technology

[0002] Driven by the rapid advancements in automotive intelligence and autonomous driving technologies, head-up display (HUD) systems have increasingly become an indispensable core feature of smart cars. Image information, such as data from the instrument panel and / or the central control display and / or navigation information, is projected into the driver's field of vision by the HUD system. This significantly reduces the risk of distraction caused by looking down or turning to the side to view the instrument panel or navigation screen, thereby improving driving safety and human-machine interaction efficiency.

[0003] In the prior art, HUD systems include an image source and a reflective imaging component. The image source is used to emit a light beam, and the reflective imaging component is used to reflect the light beam and form an image. The reflective imaging component is positioned in the propagation path of the light beam emitted by the image source and is configured to directly receive the light beam emitted by the image source and reflect the light beam to a target location in the air to converge into a real image.

[0004] However, existing HUD products generally generate flat images, making it difficult for drivers to achieve a sufficient sense of spatial immersion. As improving user experience becomes a core demand in technological development, the current visual presentation solutions of HUD systems are no longer sufficient to meet the growing needs of users. Utility Model Content

[0005] Based on the above situation, the main purpose of this utility model is to provide a vehicle-mounted curved surface light field imaging system and a vehicle.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a vehicle-mounted curved surface light field imaging system, the vehicle-mounted curved surface light field imaging system includes an image generator and an imaging component, the light emitted by the image generator is processed by the imaging component, and the curved surface real image formed is a spherical real image, or a cylindrical real image, or an even-order aspherical real image.

[0007] The imaging component includes optical mirror one, optical mirror two, and optical mirror three. The light emitted by the image generator is reflected sequentially by optical mirror one, optical mirror two, and optical mirror three, and then reflected again by optical mirror two to form the spherical real image, or the cylindrical real image, or the even-order aspherical real image.

[0008] The surface shape formulas for optical mirror one, optical mirror two, and optical mirror three are all:

[0009]

[0010] Where, r 2 =x 2 +y 2 , z represents the sag difference along the Z-axis, c is the curvature with a value of 0, k is the conic coefficient with a value of 0, and m and n represent the orders of x and y, respectively, and are integers greater than or equal to 0 and less than or equal to 5; in the surface shape formulas of optical mirror one, optical mirror two, and optical mirror three, C j The value ranges are -560 to 710, -10.5 to 50, and -10.5 to 30, respectively.

[0011] Preferably, in the surface shape formula of the first optical mirror, C j The value range is -250 to 670. In the surface shape formula of the second optical mirror, C j The value range is -3 to 40. In the surface shape formula of the optical mirror three, C j The value range is -8 to 16, so that the obtained real image of the curved surface is a spherical real image with a radius of curvature of -200mm to -1000mm or 200mm to 1000mm.

[0012] Preferably, in the surface shape formula of the first optical mirror, C j The value range is -200.5 to 656.5. In the surface shape formula of the second optical mirror, C... j The value range is -1.8 to 30. In the surface shape formula of the optical mirror three, C j The value range is -6.3 to 10, so that the obtained real image of the curved surface is a spherical real image with a radius of curvature of -300mm to -700mm or 300mm to 700mm.

[0013] Preferably, the formula for expressing the cylindrical real image is:

[0014]

[0015] Where z1 represents the sag difference in the Z-axis direction, c1 represents the curvature, k1 is the conic coefficient with a value of 0, and the even-order aspheric coefficients α1 to α3 are -2e-04 to -8e-10, and α4 to α7 are 0;

[0016] The cylindrical real image has a radius of curvature of -200mm to -1000mm or 200mm to 1000mm and a radius of rotation of infinity; or a radius of curvature of infinity and a radius of rotation of -200mm to -1000mm or 200mm to 1000mm.

[0017] In the surface shape formula of the optical mirror one, C jThe value range is -300 to 710. In the surface shape formula of the second optical mirror, C j The value range is -10.5 to 50. In the surface shape formula of the optical mirror three, C j The value range is -10.5 to 30.

[0018] Preferably, in the surface shape formula of the first optical mirror, C j The value range is -291.5 to 702.5. In the surface shape formula of the second optical mirror, C... j The value range is -6.3 to 30. In the surface shape formula of the optical mirror three, C j The value range is -6.3 to 10, so that the real image of the curved surface is a cylindrical real image with a radius of curvature of -300mm to -700mm or 300mm to 700mm.

[0019] Preferably, the formula for expressing the even-order aspherical real image is:

[0020]

[0021] Among them, r2 2 =x 2 +y 2 z2 represents the difference in elevation along the Z-axis, c2 represents the curvature, k2 is the conic coefficient ranging from -100 to 100, the even-order aspheric coefficients α2 are -8e-08 to 8e-08, α3 are -6e-11 to 6e-11, and α1, α4 to α8 are 0.

[0022] The real image of the curved surface is an even-order aspherical real image with a radius of curvature between -200mm and -1000mm or between 200mm and 1000mm.

[0023] In the surface shape formula of the optical mirror one, C j The value range is -560 to 625. In the surface shape formula of the second optical mirror, C j The value range is -3 to 32.5. In the surface shape formula of the optical mirror three, C j The value range is -5.5 to 12.

[0024] Preferably, in the surface shape formula of the first optical mirror, C j The value range is -553.5 to 617.5. In the surface shape formula of the second optical mirror, C... j The value range is -2.35 to 32. In the surface shape formula of the optical mirror three, C jThe value range is -5.1 to 10.3, so that the real image of the curved surface is the even-order aspherical real image with a radius of curvature between -300mm and -700mm or between 300mm and 700mm.

[0025] Preferably, the plane containing the XY axes is defined by a horizontal plane, and the optical component has a dimension H1 less than or equal to 115 mm in one of the X-axis and Y-axis directions, a dimension H2 less than or equal to 98 mm in the other direction, and a dimension H3 less than or equal to 160 mm in the Z-axis direction.

[0026] A glass window is provided between the imaging component and the curved real image, and an eyebox is formed on the side of the curved real image away from the glass window; a three-dimensional coordinate system is constructed with the center position of the glass window as the origin, and the positions of optical lens one, optical lens two and optical lens three in the three-dimensional coordinate system are (0, -39 to -28, 6-17), (-5 to 5, -5 to 5, 68 to 76), and (-5 to 5, 56 to 65, 32 to 40), respectively.

[0027] Preferably, a glass window is provided between the imaging component and the curved real image, and an eye box is formed on the side of the curved real image away from the glass window;

[0028] The optical path from the image generator to the first optical mirror is 46mm ± 10mm; the optical path from the first optical mirror to the second optical mirror is 48mm ± 10mm; the optical path from the second optical mirror to the third optical mirror is 70mm ± 10mm; the optical path from the third optical mirror back to the second optical mirror is 86mm ± 10mm; the optical path from the second optical mirror to the glass window is 70mm ± 10mm; the optical path from the glass window to the curved real image is 90mm ± 10mm; and the maximum optical path from the curved real image to the eye box is 520mm.

[0029] The glass window is gray glass with a light transmittance of more than 50%.

[0030] This utility model also provides a vehicle, which includes a housing located in front of the driver's seat and the vehicle-mounted curved light field imaging system as described above. The vehicle-mounted curved light field imaging system is disposed on the side of the housing away from the driver's seat. After light is reflected by the imaging component, it passes through the housing and forms the curved real image in front of the driver's seat.

[0031] The vehicle-mounted curved light field imaging system and vehicle provided by this utility model, through the configuration of the optical path and the specific surface design of optical mirror one, optical mirror two, and optical mirror three, ensure that the final real image is a spherical real image, a cylindrical real image, or an even-order aspherical real image. The imaging has a realistic and three-dimensional feel, allowing the driver to obtain sufficient spatial immersion and greatly enhancing the user experience.

[0032] Other beneficial effects of this utility model will be explained in detail through the introduction of specific technical features and technical solutions in the specific embodiments. Those skilled in the art should be able to understand the beneficial technical effects brought about by the technical features and technical solutions through the introduction of these technical features and technical solutions. Attached Figure Description

[0033] The preferred embodiments of the present invention will now be described with reference to the accompanying drawings.

[0034] Figure 1 and Figure 2 This is a schematic diagram of the structure of two cylindrical real images in this utility model.

[0035] Figure 3 and Figure 4 This is a schematic diagram of the structure and optical path of the vehicle-mounted curved surface light field imaging system of this utility model.

[0036] Figure 5 This is a schematic diagram of the structure and optical path of the vehicle-mounted curved surface light field imaging system of this utility model from different viewing angles.

[0037] Figure 6 and Figure 7 This is a schematic diagram of the structure of an in-vehicle curved surface light field imaging system from different viewpoints. Detailed Implementation

[0038] The present invention will now be described based on embodiments, but the present invention is not limited to these embodiments. In the following detailed description of the present invention, some specific details are described in detail, but well-known methods, processes, procedures, and elements are not described in detail in order to avoid obscuring the essence of the present invention.

[0039] Furthermore, those skilled in the art should understand that the accompanying drawings provided herein are for illustrative purposes only and are not necessarily drawn to scale.

[0040] Unless the context explicitly requires it, the words "comprising," "including," and similar terms throughout the specification and claims should be interpreted as encompassing rather than being exclusive or exhaustive; that is, meaning "including but not limited to."

[0041] In the description of this utility model, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0042] This utility model provides a vehicle-mounted curved surface light field imaging system, including an image generator and an imaging component. The light emitted by the image generator is processed by the imaging component to form a curved surface real image, which is either a spherical real image, a cylindrical real image, or an even-order aspherical real image. The imaging component includes an optical mirror one, an optical mirror two, and an optical mirror three. The light emitted by the image generator is reflected sequentially by the optical mirror one, the optical mirror two, and the optical mirror three, and then reflected again by the optical mirror two to form the spherical real image, the cylindrical real image, or the even-order aspherical real image. The surface shape formulas of the optical mirror one, the optical mirror two, and the optical mirror three are all:

[0043]

[0044] Where, r 2 =x 2 +y 2 , z represents the sag difference along the Z-axis, c is the curvature with a value of 0, k is the conic coefficient with a value of 0, and m and n represent the orders of x and y, respectively, and are integers greater than or equal to 0 and less than or equal to 5; in the surface shape formulas of optical mirror one, optical mirror two, and optical mirror three, C j The value ranges are -560 to 710, -10.5 to 50, and -10.5 to 30, respectively.

[0045] Please see Figures 1 to 7 This utility model provides an in-vehicle curved light field imaging system 10, which is installed on a vehicle. The in-vehicle curved light field imaging system 10 projects information from the vehicle's instrument panel and / or the central control display screen and / or navigation information onto the area in front of the driver's seat, allowing the driver to see the information without looking down or turning their head. Vehicles include, but are not limited to, automobiles and electric vehicles.

[0046] The vehicle-mounted curved light field imaging system 10 provided by this utility model, through the configuration of optical elements, enables the final image obtained to be a curved real image 4a (i.e., a curved light field). The curved real image 4a will be described below.

[0047] In this invention, the curved real image 4a can be a spherical real image, a cylindrical real image, or an even-order aspherical real image.

[0048] As one embodiment, the curved real image 4a can be a spherical real image. As a preferred embodiment, the curved real image 4a is a spherical real image with a radius of curvature of -200mm to -1000mm or 200mm to 1000mm. Further, it is preferred that the curved real image 4a is a spherical real image with a radius of curvature of -300mm to -700mm or 300mm to 700mm.

[0049] As one embodiment, the curved real image 4a is a cylindrical real image. As a specific embodiment, with the center position of the curved real image 4a as the origin of the coordinate system, the formula for expressing the cylindrical real image is:

[0050]

[0051] Where z1 represents the sag difference along the Z-axis, c1 represents the curvature, k1 is the conic coefficient, and α1 to α3 are even-order aspherical coefficients. Preferably, k1 is a conic coefficient with a value of 0, the even-order aspherical coefficients α1 to α3 are -2e-04 to -8e-10, and α4 to α7 are 0. The obtained cylindrical real image has a radius of rotation of infinity (the cylinder is a straight line in the direction of the radius of rotation) and a radius of curvature of -200mm to -1000mm (e.g., ...). Figure 1 As shown, this is a cylindrical real image with an infinite radius of rotation and a radius of curvature of 200 mm; or an infinite radius of curvature (the cylinder is a straight line along the radius of curvature direction), with a radius of rotation of -200 mm to -1000 mm or 200 mm to 1000 mm (e.g.). Figure 2 As shown, this is a cylindrical real image with a rotation radius of 200 mm and an infinite radius of curvature.

[0052] It can be understood that the real image 4a is a local part of a toroidal surface, which is formed by rotating a curve defined in the YZ plane around an axis parallel to the Y-axis, but with a displacement distance of R (radius of rotation). For example, in Zemax OpticStudio software, if the surface type is selected as Toroidal, the radius of curvature of the YZ surface is entered in the same radius input field as the standard surface radius, while the radius of rotation is entered in parameter field 1. To create a cylindrical real image that is planar in the X direction, simply enter "i" (i.e., radius of curvature infinity) in the radius of curvature field, and then enter the radius of rotation and even-order aspheric coefficient. Enter "i" in the radius of curvature and -200mm~-1000mm or 200mm~1000mm in the radius of rotation, or enter -200mm~-1000mm or 200mm~1000mm in the radius of curvature and "i" in the radius of rotation. The annular surface obtained by the first input method will be the same as the annular surface obtained by the second input method after rotating it 90° in parallel with the XY plane.

[0053] As one embodiment, the curved real image 4a can be an even-order aspherical real image. As a specific embodiment, with the center position of the curved real image 4a as the origin of the coordinate system, the formula for expressing an even-order aspherical real image is:

[0054]

[0055] Among them, r2 2=x 2 +y 2 z2 represents the sag difference along the Z-axis, c2 represents the curvature, k2 is the conic coefficient, and α1 to α8 are even-order aspherical coefficients. Preferably, k2 is a conic coefficient ranging from -100 to 100, α2 is -8e-08 to 8e-08, α3 is -6e-11 to 6e-11, and α1, α4 to α8 are 0. The obtained surface real image 4a is an even-order aspherical real image with a curvature radius of -200mm to -1000mm or 200mm to 1000mm.

[0056] Compared to planar imaging or planar virtual images, curved real images 4a have a certain degree of realism. In addition, they can provide drivers with a three-dimensional viewing experience, greatly improving the driver's viewing experience.

[0057] When the real image 4a is a spherical real image with a radius of curvature of -200mm to -1000mm or 200mm to 1000mm; or a cylindrical real image with a radius of curvature of -200mm to -1000mm or 200mm to 1000mm and a radius of rotation of infinity; or a cylindrical real image with a radius of curvature of infinity and a radius of rotation of -200mm to -1000mm or 200mm to 1000mm; or an even-order aspherical real image with a radius of curvature of -200mm to -1000mm or 200mm to 1000mm, the real image 4a obtained has a better sense of realism and three-dimensionality, and the image is less likely to produce a "distorted" visual effect.

[0058] As one embodiment, when the curved real image 4a is a spherical real image with a radius of curvature of -300mm to -700mm or 300mm to 700mm; or a cylindrical real image with a radius of curvature of -300mm to -700mm or 300mm to 700mm and a radius of rotation of infinity; or a cylindrical real image with a radius of curvature of infinity and a radius of rotation of -300mm to -700mm or 300mm to 700mm; or an even-order aspherical real image with a radius of curvature of -300mm to -700mm or 300mm to 700mm, the curved real image 4a with the best realism and three-dimensionality can be obtained.

[0059] Furthermore, the curved real image 4a can be combined with UI rendering to create a depth difference between the center of the real image and its edges along the optical axis, further enhancing the sense of depth. For example, "a primary school student riding a bicycle on a seaside road can be displayed in the center of the image (the center of the curved real image 4a) using UI rendering, while the ocean background is displayed at the edge of the image (the edge of the curved real image 4a), with a natural transition between the center and edge positions. Combined with the optical design of the curved real image 4a, this can further give the observer a sense of 'depth'."

[0060] To image a real curved surface 4a, the vehicle-mounted curved surface light field imaging system 10 provides an imaging component with a specific configuration. See section 3. Figure 4 , Figure 5 The vehicle-mounted curved light field imaging system 10 includes an image generator 1a and an imaging component. Light rays 3a emitted by the image generator 1a are processed by the imaging component to form a curved real image 4a. The imaging component includes an optical mirror 21a, an optical mirror 22a, and an optical mirror 23a. Light rays 3a emitted by the image generator 1a are reflected sequentially by the optical mirrors 21a, 22a, and 23a, and then reflected again by the optical mirror 22a to form the curved real image 4a. An eyepiece A is formed on the side of the curved real image 4a away from the imaging component.

[0061] As one embodiment, a glass window 5a serving as a light window is provided in front of the curved real image 4a. As one embodiment, the glass window 5a is gray glass with a transmittance of more than 50%, which can prevent dust and cover up imperfections, unify the background of the curved real image, make the curved real image more three-dimensional and floating, and make the product more technological.

[0062] Construct a three-dimensional coordinate system with the center of glass window 5a as the origin, such as Figure 5 As shown in the XYZ coordinate system, the center positions of optical mirror 1 21a, optical mirror 22a and optical mirror 3 23a in the three-dimensional coordinate system are (-5~5, -39~-28, 6-17), (-5~5, -5~5, 68~76), and (-5~5, 56~65, 32~40), respectively.

[0063] As a specific embodiment, the coordinates of the center position of optical mirror 21a are (0, -33.37, 11.22), the coordinates of the center position of optical mirror 22a are (0, 0, 73), and the coordinates of the center position of optical mirror 23a are (0, 59.37, 37.7).

[0064] As one embodiment, in order to achieve a spherical real image, a cylindrical real image, or an even-order aspherical real image, optical mirrors 21a, 22a, and 23a are freeform mirrors. Specifically, the surface shape formulas of optical mirrors 21a, 22a, and 23a are all:

[0065]

[0066] Where, r 2 =x 2 +y 2 , z represents the elevation difference along the Z-axis, c represents the curvature, k represents the conic coefficient, and m and n represent the orders of x and y, respectively.

[0067] It is understandable that the surface shape formulas corresponding to optical mirror 1 21a, optical mirror 2 22a and optical mirror 3 23a all take their respective center positions as the origin of the coordinate system.

[0068] Optical mirrors 21a, 22a, and 23a, which employ freeform surfaces, have c and k both 0; m and n are integers greater than or equal to 0 and less than or equal to 5; C in the surface shape formula of optical mirror 21a j The value range is -560 to 710. In the formula for the surface type of optical mirror 22a, C... j The value range is -10.5 to 50. In the formula for the surface type of optical mirror 33a, C... j Under the condition of a value range of -10.5 to 30, spherical real images, cylindrical real images, or even-order aspherical real images can be obtained.

[0069] As one embodiment, in the surface shape formula of optical mirror 21a, C j The value range is -250 to 670; in the surface shape formula of optical mirror 22a, C j The value ranges from -3 to 40; in the surface shape formula of optical mirror 323a, C j The value range is -8 to 16. Under these optical mirror parameters, the obtained curved real image 4a is a spherical real image with a radius of curvature between -200mm and -1000mm or between 200mm and 1000mm.

[0070] As one embodiment, in the surface shape formula of optical mirror 21a, C j The value range is -200.5 to 656.5; in the surface shape formula of optical mirror 22a, C j The value range is -1.8 to 30; in the surface shape formula of optical mirror 323a, C j The value ranges from -6.3 to 10. Under these optical mirror parameters, the obtained curved real image 4a is a spherical real image with a radius of curvature between -300mm and -700mm or between 300mm and 700mm.

[0071] As one embodiment, in the surface shape formula of optical mirror 21a, C j The value range is -300 to 710; in the surface shape formula of optical mirror 22a, C j The value range is -10.5 to 50; in the surface shape formula of optical mirror 323a, C jWhen the value range is -10.5 to 30, a cylindrical real image with a radius of curvature of -200 mm to -1000 mm or 200 mm to 1000 mm and a radius of rotation of infinity is obtained; or a radius of curvature of infinity and a radius of rotation of -200 mm to -1000 mm or 200 mm to 1000 mm is obtained. In the formula for expressing the cylindrical real image, k1 is the conic coefficient with a value of 0, the even-order aspherical coefficients α1 to α3 are -2e-04 to -8e-10, and α4 to α7 are 0.

[0072] As one embodiment, in the surface shape formula of optical mirror 21a, C j The value range is -291.5 to 702.5; in the surface shape formula of optical mirror 22a, C j The value range is -6.3 to 30; in the surface shape formula of optical mirror 323a, C j When the value range is -6.3 to 10, a cylindrical real image with a radius of curvature of -300 mm to -700 mm or 300 mm to 700 mm and a radius of rotation of infinity is obtained; or a radius of curvature of infinity and a radius of rotation of -300 mm to -700 mm or 300 mm to 700 mm is obtained. In the formula for expressing the cylindrical real image, k1 is the conic coefficient with a value of 0, the even-order aspherical coefficients α1 to α3 are -2e-04 to -8e-10, and α4 to α7 are 0.

[0073] As one embodiment, in the surface shape formula of optical mirror 21a, C j The value range is -560 to 625; in the surface shape formula of optical mirror 22a, C j The value range is -3 to 32.5; in the surface shape formula of optical mirror 323a, C j When the value range is -5.5 to 12, the real image 4a obtained by imaging is an even-order aspherical real image with a radius of curvature of -200mm to -1000mm or 200mm to 1000mm. In the formula for expressing the even-order aspherical real image, k2 is a conic coefficient with a value of -100 to 100, the even-order aspherical coefficient α2 is -8e-08 to 8e-08, α3 is -6e-11 to 6e-11, and α1, α4 to α8 are 0.

[0074] As one embodiment, in the surface shape formula of optical mirror 21a, C j The value range is -553.5 to 617.5; in the surface shape formula of optical mirror 22a, C j The value range is -2.35 to 32; in the surface shape formula of optical mirror 323a, C jWhen the value range is -5.1 to 10.3, the real image 4a obtained by imaging is an even-order aspherical real image with a radius of curvature of -300mm to -700mm or 300mm to 700mm. In the formula for expressing the even-order aspherical real image, k2 is a conic coefficient with a value of -100 to 100, the even-order aspherical coefficient α2 is -8e-08 to 8e-08, α3 is -6e-11 to 6e-11, and α1, α4 to α8 are 0.

[0075] As an example, in the formula for the surface type of optical mirror 21a, C j The values ​​are shown in Table 1 below. For example, in obtaining a spherical real image with a radius of curvature of 300 mm, in the formula for the optical mirror 21a surface type, when m = 1 and n = 1, x in the formula... m y n (x 1 y 1 Coefficient C j (C5) is 0.00000.

[0076] Table 1

[0077]

[0078] As an example, in the formula for the surface type of optical mirror 22a, C j The values ​​are shown in Table 2 below. For example, in obtaining a cylindrical real image with a radius of curvature of 500 mm, in the formula for the 22a surface type of the optical mirror, when m = 2 and n = 0, x in the formula... m y n (x 2 y 0 Coefficient C j (C4) is 30.00000.

[0079] Table 2

[0080]

[0081]

[0082] As an example, in the formula for the surface type of optical mirror 23a, C j The values ​​are shown in Table 3 below. For example, in obtaining an even-order aspherical real image with a radius of curvature of 700 mm, in the formula for the 23a surface type of the optical mirror, when m = 2 and n = 0, x in the formula... m y n (x 2 y 0 Coefficient C j (C4) is 9.47710.

[0083] Table 3

[0084]

[0085]

[0086] Please see Figure 6 and Figure 7 The plane defining the X and Y axes is horizontal. The optical component has a dimension H1 less than or equal to 115 mm in one of the X and Y axes, a dimension H2 less than or equal to 98 mm in the other axis, and a dimension H3 less than or equal to 160 mm in the Z axis direction. The overall size is very small, making it easy to mount.

[0087] As one embodiment, the vehicle-mounted curved light field imaging system 10 has dimensions of 88mm*105mm*150mm.

[0088] As one embodiment, the image generator 1a has a size of 48mm*24mm, the optical lens 1 21a has a size of 30mm*16mm, the optical lens 2 22a has a size of 108mm*80mm, and the optical lens 3 23a has a size of 100mm*60mm.

[0089] As one embodiment, the optical path from image generator 1a to optical lens 21a is 46mm ± 10mm; the optical path from optical lens 21a to optical lens 22a is 48mm ± 10mm; the optical path from optical lens 22a to optical lens 23a is 70mm ± 10mm; the optical path from optical lens 23a back to optical lens 22a is 86mm ± 10mm; the optical path from optical lens 22a to glass window 5a is 70mm ± 10mm; the optical path from light window 24 to curved real image 4a is 90mm ± 10mm; the maximum optical path from curved real image 4a to eye box A is 520mm; all optical paths refer to straight-line distances.

[0090] This utility model also provides a vehicle, which includes a housing located in front of the driver's seat and the above-mentioned vehicle-mounted curved light field imaging system 10. The vehicle-mounted curved light field imaging system 10 is disposed on the side of the housing away from the driver's seat. After the light is reflected by the imaging component, it passes through the housing and forms a curved real image 4a in front of the driver's seat.

[0091] It is understandable that the housing can have through holes to allow light to escape, or the area where light escapes can be made transparent. Furthermore, preferably, the housing with a transparent design is perpendicular to the emitted light to reduce the housing's influence on the light path.

[0092] It is particularly important to emphasize that the specific selection of the values ​​for the various parameters involved in this utility model not only requires the inventor to possess a theoretical foundation far exceeding that of ordinary personnel in the field, but also necessitates creative experimentation and selection based on the expected design results, supplemented by several arduous trials, before the desired target results can be obtained. The determination of these values ​​cannot be achieved by ordinary personnel in the field without creative effort.

[0093] Those skilled in the art will understand that, without conflict, the above-mentioned preferred solutions can be freely combined and superimposed.

[0094] It should be understood that the above-described embodiments are merely exemplary and not restrictive. Without departing from the basic principles of this utility model, any obvious or equivalent modifications or substitutions made by those skilled in the art regarding the above details will be included within the scope of the claims of this utility model.

Claims

1. A vehicle-mounted curved surface light field imaging system, characterized in that... The vehicle-mounted curved light field imaging system includes an image generator and an imaging component. The light emitted by the image generator is processed by the imaging component to form a curved real image, which is a spherical real image, a cylindrical real image, or an even-order aspherical real image. The imaging component includes optical mirror one, optical mirror two, and optical mirror three. The light emitted by the image generator is reflected sequentially by optical mirror one, optical mirror two, and optical mirror three, and then reflected again by optical mirror two to form the spherical real image, or the cylindrical real image, or the even-order aspherical real image. The surface shape formulas for optical mirror one, optical mirror two, and optical mirror three are all: Where, r 2 =x 2 +y 2 , z represents the sag difference along the Z-axis, c is the curvature with a value of 0, k is the conic coefficient with a value of 0, and m and n represent the orders of x and y, respectively, and are integers greater than or equal to 0 and less than or equal to 5; in the surface shape formulas of optical mirror one, optical mirror two, and optical mirror three, C j The value ranges are -560 to 710, -10.5 to 50, and -10.5 to 30, respectively.

2. The vehicle-mounted curved surface light field imaging system as described in claim 1, characterized in that, In the surface shape formula of the optical mirror one, C j The value range is -250 to 670. In the surface shape formula of the second optical mirror, C j The value range is -3 to 40. In the surface shape formula of the optical mirror three, C j The value range is -8 to 16, so that the obtained surface real image is a spherical real image with a radius of curvature of -200mm to -1000mm or 200mm to 1000mm.

3. The vehicle-mounted curved surface light field imaging system as described in claim 2, characterized in that, In the surface shape formula of the optical mirror one, C j The value range is -200.5 to 656.

5. In the surface shape formula of the second optical mirror, C... j The value range is -1.8 to 30. In the surface shape formula of the optical mirror three, C j The value range is -6.3 to 10, so that the obtained real image of the curved surface is a spherical real image with a radius of curvature of -300mm to -700mm or 300mm to 700mm.

4. The vehicle-mounted curved surface light field imaging system as described in claim 1, characterized in that, The formula for expressing the cylindrical real image is: Where z1 represents the sag difference in the Z-axis direction, c1 represents the curvature, k1 is the conic coefficient with a value of 0, and the even-order aspheric coefficients α1 to α3 are -2e-04 to -8e-10, and α4 to α7 are 0; The cylindrical real image has a radius of curvature of -200mm to -1000mm or 200mm to 1000mm and a radius of rotation of infinity; or a radius of curvature of infinity and a radius of rotation of -200mm to -1000mm or 200mm to 1000mm. In the surface shape formula of the optical mirror one, C j The value range is -300 to 710. In the surface shape formula of the second optical mirror, C j The value range is -10.5 to 50. In the surface shape formula of the optical mirror three, C j The value range is -10.5 to 30.

5. The vehicle-mounted curved surface light field imaging system as described in claim 4, characterized in that, In the surface shape formula of the optical mirror one, C j The value range is -291.5 to 702.

5. In the surface shape formula of the second optical mirror, C... j The value range is -6.3 to 30. In the surface shape formula of the optical mirror three, C j The value range is -6.3 to 10, so that the real image of the curved surface is a cylindrical real image with a radius of curvature of -300mm to -700mm or 300mm to 700mm.

6. The vehicle-mounted curved surface light field imaging system as described in claim 1, characterized in that, The formula for expressing the even-order aspherical real image is: Among them, r2 2 =x 2 +y 2 z2 represents the difference in elevation along the Z-axis, c2 represents the curvature, k2 is the conic coefficient ranging from -100 to 100, the even-order aspheric coefficients α2 are -8e-08 to 8e-08, α3 are -6e-11 to 6e-11, and α1, α4 to α8 are 0. The real image of the curved surface is an even-order aspherical real image with a radius of curvature between -200mm and -1000mm or between 200mm and 1000mm. In the surface shape formula of the optical mirror one, C j The value range is -560 to 625. In the surface shape formula of the second optical mirror, C j The value range is -3 to 32.

5. In the surface shape formula of the optical mirror three, C j The value range is -5.5 to 12.

7. The vehicle-mounted curved surface light field imaging system as described in claim 6, characterized in that, In the surface shape formula of the optical mirror one, C j The value range is -553.5 to 617.

5. In the surface shape formula of the second optical mirror, C... j The value range is -2.35 to 32. In the surface shape formula of the optical mirror three, C j The value range is -5.1 to 10.3, so that the real image of the curved surface is the even-order aspherical real image with a radius of curvature between -300mm and -700mm or between 300mm and 700mm.

8. A vehicle-mounted curved surface light field imaging system as described in any one of claims 1-6, characterized in that, The plane containing the XY axes is defined by a horizontal plane. The optical component has a dimension H1 less than or equal to 115 mm in one of the X-axis and Y-axis directions, a dimension H2 less than or equal to 98 mm in the other direction, and a dimension H3 less than or equal to 160 mm in the Z-axis direction. A glass window is provided between the imaging component and the curved real image, and an eye box is formed on the side of the curved real image away from the glass window; A three-dimensional coordinate system is constructed with the center of the glass window as the origin. The positions of optical mirror one, optical mirror two, and optical mirror three in the three-dimensional coordinate system are (0, -39 to -28, 6-17), (-5 to 5, -5 to 5, 68 to 76), and (-5 to 5, 56 to 65, 32 to 40), respectively.

9. A vehicle-mounted curved surface light field imaging system as described in any one of claims 1-6, characterized in that, A glass window is provided between the imaging component and the curved real image, and an eye box is formed on the side of the curved real image away from the glass window; The optical path from the image generator to the first optical mirror is 46mm ± 10mm; the optical path from the first optical mirror to the second optical mirror is 48mm ± 10mm; the optical path from the second optical mirror to the third optical mirror is 70mm ± 10mm; the optical path from the third optical mirror back to the second optical mirror is 86mm ± 10mm; the optical path from the second optical mirror to the glass window is 70mm ± 10mm; the optical path from the glass window to the curved real image is 90mm ± 10mm; and the maximum optical path from the curved real image to the eye box is 520mm. The glass window is gray glass with a light transmittance of more than 50%.

10. A means of transportation, characterized in that, The vehicle includes a housing located in front of the driver's seat and an in-vehicle curved light field imaging system as described in any one of claims 1-9. The in-vehicle curved light field imaging system is disposed on the side of the housing away from the driver's seat. After being reflected by the imaging component, light passes through the housing and forms the curved real image in front of the driver's seat.

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