An air imaging device

Abstract

This utility model relates to the technical field of interactive devices, and more particularly to an aerial imaging device, comprising an image source, a reflector, a first curved mirror, a second curved mirror, and an eye box; the image source is configured to emit image light rays, which sequentially pass through the reflector, the first curved mirror, and the second curved mirror to form an image in the air; both the first and second curved mirrors are configured to converge the incident image light rays; the eye box is positioned facing the image, and the second curved mirror is positioned between the eye box and the image source to block the image source; by blocking the image source with the second curved mirror, the image source is prevented from being directly viewed, and stray light caused by the large-angle light rays from the image source is blocked, thus solving the technical problem in the prior art where the image source is placed between mirrors, resulting in stray light from the large-angle light rays of the image source, allowing the user to directly view the image source, thereby improving the image quality.

Description

Technical Field

[0001] This utility model relates to the field of interactive device technology, and in particular to an air imaging device. Background Technology

[0002] Atmospheric imaging technology is an optical display technology that creates visible images directly in the air without the need for a physical screen. It uses special optical means or media (such as fog screens, lasers, mirrors, etc.) to make the image "levitate" in the air, achieving a visible and even interactive effect.

[0003] Currently, existing aerial imaging equipment generally includes an image source, several reflecting mirrors or curved mirrors, and an eyepiece. The image source emits image light rays, which are reflected and refracted sequentially by the reflecting mirrors or curved mirrors, and finally converge to form a holographic image in the observation area of ​​the eyepiece.

[0004] However, current aerial imaging devices place the image source between the lenses, which causes astigmatism due to the large angle of the optical fiber of the image source. At the same time, the screen needs to be specially processed to prevent users from directly viewing the image source. Utility Model Content

[0005] The purpose of this invention is to provide an air imaging device to solve the technical problems in the prior art where the image source is placed between the lenses, resulting in stray light from the large-angle light of the image source, and the screen needs to be specially processed to prevent users from directly viewing the image source.

[0006] In a first aspect, the present invention provides an air imaging device, comprising an image source, a reflector, a first curved mirror, a second curved mirror, and an eye box;

[0007] The image source is configured to emit image light rays, which pass sequentially through the reflector, the first curved mirror, and the second curved mirror to form an image in the air;

[0008] Both the first curved mirror and the second curved mirror are configured to converge the incident image light rays;

[0009] The eye box is oriented toward the image source, and the second curved mirror is positioned between the eye box and the image source to block the image source.

[0010] Furthermore, the reflector is configured as a plane reflector.

[0011] Furthermore, the reflector is configured as a curved reflector.

[0012] Furthermore, the incident angles of the first curved mirror and the second curved mirror are equal, so that the first curved mirror and the second curved mirror are arranged symmetrically.

[0013] Furthermore, the air imaging device also includes a housing, in which a receiving cavity is provided, and the image source, the first curved mirror, the second curved mirror and the reflector are all disposed within the receiving cavity.

[0014] Furthermore, the air imaging device also includes a windshield, which is disposed on the housing, and the reflector, the first curved mirror and the second curved mirror form a lens group, with the windshield disposed above the lens group.

[0015] Furthermore, the air imaging device also includes a dustproof film, which is fixed to the housing and disposed between the lens assembly and the eye box.

[0016] Furthermore, the image source and the lens group form an optical path system, the reflector is disposed in the pupil of the optical path system, and the reflector is disposed close to the windshield.

[0017] Furthermore, the air imaging device also includes a light shield;

[0018] The light shield is connected to the housing and is disposed at the object. The light shield is configured to block the light reflected by the dustproof film.

[0019] Furthermore, the first curved mirror and the second curved mirror are spaced apart from the bottom of the housing.

[0020] Compared with existing technologies, this utility model provides an air imaging device, including an image source, a reflector, a first curved mirror, a second curved mirror, and an eye box. The image source is configured to emit image light rays, which pass sequentially through the reflector, the first curved mirror, and the second curved mirror to form an image in the air. Both the first and second curved mirrors are configured to converge the incident image light rays. The eye box is positioned facing the image, and the second curved mirror is positioned between the eye box and the image source to block the image source. By setting the reflector, the second curved mirror is positioned between the eye box and the image source, thereby blocking the image source and preventing it from being directly viewed. At the same time, it blocks stray light caused by the large-angle light rays from the image source. This solves the technical problem in existing air imaging devices where the image source is placed between mirrors, resulting in stray light from the large-angle light rays of the image source, and requiring special screen processing to prevent users from directly viewing the image source, thus improving image quality. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the optical path structure of an air imaging device provided in an embodiment of the present invention.

[0023] Figure label:

[0024] 100, Image source; 200, Reflector; 300, First curved mirror; 400, Second curved mirror; 500, Eye box; 600, Image; 700, Housing; 710, Windshield; 800, Dustproof film; 900, Sunshade. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0027] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0028] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0029] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply 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 tilted.

[0030] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0032] like Figure 1 As shown, this embodiment of the present invention provides an air imaging device, including an image source 100, a reflector 200, a first curved mirror 300, a second curved mirror 400, and an eye box 500. The image source 100 is configured to emit image light rays, which pass sequentially through the reflector 200, the first curved mirror 300, and the second curved mirror 400 to form an image 600 in the air. Both the first curved mirror 300 and the second curved mirror 400 are configured to converge the incident image light rays. The eye box 500 is positioned facing the image 600, and the second curved mirror 400 is positioned between the eye box 500 and the image source 100 to block the image source 100.

[0033] That is, the air imaging device provided in this embodiment of the utility model, through the setting of the reflector 200, places the second curved mirror 400 between the eye box 500 and the image source 100, thereby blocking the image source 100 by the second curved mirror 400, preventing the image source 100 from being directly viewed, and at the same time blocking the stray light caused by the large-angle light of the image source 100. This solves the technical problem in the prior art where the air imaging device places the image source 100 between the lenses, resulting in stray light from the large-angle light of the image source 100, and at the same time requires special processing of the screen to prevent the user from directly viewing the image source 100, thus improving the imaging quality.

[0034] Specifically, the image source 100 is a light-emitting image, which can be displayed using devices such as a color LCD screen, LCD display, and diffusion film. The eye box 500 is positioned on top of the air imaging device, facing the image source 100. The second curved mirror 400 is fixed between the eye box 500 and the image source 100, thereby blocking the image source 100 from direct viewing and also blocking stray light from the large-angle rays of the image source 100. The reflector 200 is positioned on top of the second curved mirror 400 to reflect the image light emitted by the image source 100 to the first curved mirror 300. In this embodiment, both the first curved mirror 300 and the second curved mirror 400 are concave mirrors. The first curved mirror 300 converges the divergent light beams emitted from each object point on the image source 100 and reflects them to the second curved mirror 400, while the second curved mirror 400 reflects and converges the image light to the image 600, forming a 3D image 600.

[0035] Furthermore, the reflector 200 is configured as a plane reflector 200.

[0036] Specifically, the reflector 200 is set as a plane reflector 200. The plane reflector 200 can accurately deflect the light path and is suitable for small-format aerial images. At this time, the first curved mirror 300 and the second curved mirror 400 can correct system aberrations.

[0037] As an alternative embodiment, the reflector 200 is configured as a curved reflector 200.

[0038] Specifically, the reflector 200 is configured as a curved reflector 200, which is suitable for large-size aerial images. The curved reflector 200 can not only deflect the optical path, but also, together with the first curved mirror 300 and the second curved mirror 400, can correct system aberrations.

[0039] Furthermore, the incident angles of the first curved mirror 300 and the second curved mirror 400 are equal, so that the first curved mirror 300 and the second curved mirror 400 are arranged symmetrically.

[0040] Specifically, in this embodiment, the incident angles of the first curved mirror 300 and the second curved mirror 400 are equal, thereby enabling the first curved mirror 300 and the second curved mirror 400 to be symmetrically distributed, that is, their reflecting surfaces are placed opposite each other and their optical axes coincide. Thus, the first curved mirror 300 and the second curved mirror 400 can bear most of the system's optical power, minimizing system aberrations.

[0041] Furthermore, the air imaging device also includes a housing 700, which has a receiving cavity inside. The image source 100, the first curved mirror 300, the second curved mirror 400, and the reflector 200 are all disposed inside the receiving cavity.

[0042] Specifically, in this embodiment, the housing 700 is injection molded from plastic material. The image source 100, the first curved mirror 300, the second curved mirror 400, and the reflector 200 can be fixed in the cavity by bolts and mounting brackets to prevent external dust from sticking to the mirror and screen and affecting the imaging effect.

[0043] Furthermore, the first curved mirror 300 and the second curved mirror 400 are spaced apart from the bottom of the housing 700.

[0044] Specifically, the first curved mirror 300 and the second curved mirror 400 are spaced apart from the bottom of the housing 700, and the first curved mirror 300 and the second curved mirror 400 are also spaced apart. That is, the first curved mirror 300 and the second curved mirror 400 maintain a certain distance and form a certain space between themselves and the housing 700. This allows the bottom space of the first curved mirror 300 and the second curved mirror 400 to absorb reflected light from the dustproof film 800, thus preventing stray light from the system.

[0045] Preferably, the air imaging device further includes a windshield 710, which is disposed on the housing 700. The reflector 200, the first curved mirror 300, and the second curved mirror 400 form a lens group, with the windshield 710 disposed above the lens group.

[0046] Specifically, the windshield 710 is made of transparent glass and is mounted on the surface of the housing 700 via a slot. By setting the windshield 710, natural light is allowed to enter the human eye directly, avoiding visual fatigue caused by color difference and insufficient brightness of artificial light sources in enclosed systems.

[0047] Furthermore, the air imaging device also includes a light shield 900; the light shield 900 is connected to the housing 700, the light shield 900 is disposed at the object image, and the light shield 900 is configured to block the light reflected by the dustproof film 800.

[0048] Specifically, the light shield 900 is fixed to the housing 700 by a slot and is positioned above the image. On the one hand, it blocks the natural light transmitted through the top windshield 710, and on the other hand, it blocks the light reflected by the dustproof film 800, so as to avoid the influence of stray light on the imaging effect.

[0049] Preferably, the air imaging device further includes a dustproof film 800, which is fixed to the housing 700 and disposed between the lens assembly and the eye box 500.

[0050] Specifically, the dustproof film 800 is curved and positioned between the lens assembly and the image 600. The dustproof film 800 can not only prevent dust from contacting the lens assembly, but also reflect natural light passing through the windshield 710 at a larger angle to the horizontal direction, where it is blocked by the light hood 900, thus reducing the size of the light hood 900 and improving the space utilization of the aerial imaging equipment.

[0051] Furthermore, the image source 100 and the lens group form an optical path system, and the reflector 200 is positioned in the center of the pupil of the optical path system, and the reflector 200 is positioned close to the windshield 710.

[0052] Specifically, in this embodiment, the intermediate image of the pupil essentially refers to the position where all the light rays in the field of view overlap. The reflector 200 requires the image light emitted from the image source 100 to be reflected to the first curved mirror 300. When the reflector 200 is positioned at the intermediate image of the pupil, its size can be set to a smaller size. When the reflector 200 deviates from the intermediate image position, its size needs to be increased accordingly. Therefore, placing the reflector 200 at the intermediate image of the pupil in the optical path system reduces the required size of the reflector 200, facilitating improved manufacturing accuracy and reduced costs.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. An air imaging device, characterized by, It includes an image source (100), a reflector (200), a first curved mirror (300), a second curved mirror (400), and an eye box (500); The image source (100) is configured to emit image light rays, which pass sequentially through the reflector (200), the first curved mirror (300) and the second curved mirror (400) to form an image (600) in the air; Both the first curved mirror (300) and the second curved mirror (400) are configured to converge the incident image light rays; The eye box (500) is positioned facing the image (600), and the second curved mirror (400) is positioned between the eye box (500) and the image source (100) to block the image source (100).

2. The air imaging device of claim 1, wherein, The reflector (200) is configured as a plane reflector.

3. The air imaging device of claim 1, wherein, The reflector (200) is configured as a curved reflector.

4. The air imaging device of claim 1, wherein, The incident angles of the first curved mirror (300) and the second curved mirror (400) are equal, so that the first curved mirror (300) and the second curved mirror (400) are arranged symmetrically.

5. The air imaging device according to any of claims 1-4, characterized in that, The air imaging device also includes a housing (700), which has a cavity for receiving the image source (100), the first curved mirror (300), the second curved mirror (400) and the reflector (200) are all disposed in the cavity.

6. The air imaging device of claim 5, wherein, The air imaging device also includes a windshield (710), which is disposed on the housing (700). The reflector (200), the first curved mirror (300), and the second curved mirror (400) form a lens group, and the windshield (710) is disposed above the lens group.

7. The air- imaging device of claim 6, wherein, The air imaging device also includes a dustproof film (800), which is fixed to the housing (700) and disposed between the lens group and the eye box (500).

8. The air- imaging device of claim 6, wherein, The image source (100) and the lens group form an optical path system, the reflector (200) is disposed in the pupil of the optical path system, and the reflector (200) is disposed close to the windshield (710).

9. The air- imaging device of claim 7, wherein, The air imaging device also includes a light shield (900); The light shield (900) is connected to the housing (700), the light shield (900) is disposed at the object image, and the light shield (900) is configured to block the light reflected by the dustproof film (800).

10. The air- imaging device of claim 6, wherein, The first curved mirror (300) and the second curved mirror (400) are spaced apart from the bottom of the housing (700).

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