Fog-permeable visible light imaging device
By introducing optical switching mechanism and mist-transmissive glass into the visible light imaging device, using near-infrared light to diffuse tiny particles, the problem of poor imaging effects of traditional devices under adverse weather conditions is solved, and the switching between color and mist-transmissive imaging is achieved, and the expansion is achieved. The scene was investigated and image quality was maintained.
Patent Information
- Application Number
- CN202420672920.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-02
AI Technical Summary
Traditional visible light imaging devices have poor imaging effects under adverse weather conditions such as fog, dust, smoke, light rain, etc., and the effective reconnaissance distance is shortened, making it difficult to achieve clear image capture.
A fog-transmissible visible light imaging device is designed. Through an optical switching mechanism, the rotational switching of visible light colored glass and fog-transmissible glass is used, and the coating band (400~1100nm) of the visible light lens is combined with the coating band (400~1100nm) to place fog-transmissible under adverse weather conditions. Glass uses near-infrared light to diffuse tiny particles to achieve selective filtering of the color imaging band, adapting to the switching of color and mist imaging modes.
Clear color and fog imaging is achieved under adverse weather conditions, expanding the investigation scene, avoiding the redness of the image, and maintaining the effect of conventional color imaging.
Smart Images
Figure CN222145364U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reconnaissance images, in particular to a fog-penetrating visible light imaging device. Background Art
[0002] In the field of reconnaissance image technology, visible light cameras are widely used for daytime reconnaissance. Visible light cameras usually work in color mode. To ensure normal color imaging, it is necessary to filter out the near-infrared band that makes the image red. The lens glass coating is usually 400-650nm.
[0003] Traditional visible light imaging devices can only obtain blurred images under weather conditions such as fog, dust, smoke, and light rain, and the effective reconnaissance distance is greatly shortened compared to clear weather, resulting in poor reconnaissance effects under adverse weather conditions. Utility Model Content
[0004] The utility model aims to provide a visible light imaging device that can penetrate fog, so as to ensure that detection can still be carried out under adverse weather conditions.
[0005] To solve the above technical problems, the utility model provides a technical solution: a fog-penetrating visible light imaging device, comprising a visible light lens, an optical switching mechanism, and a camera arranged in sequence along an optical path, wherein the optical switching mechanism comprises a driver, visible light colored glass, and fog-penetrating glass, wherein the visible light colored glass and the fog-penetrating glass are driven by the driver to be placed in the optical path in an alternative manner.
[0006] According to the above scheme, in the optical switching mechanism, the visible light colored glass and the mist-transmitting glass are arranged on the glass fixing part, the glass fixing part is drivingly connected to the output end of the driver, and the glass fixing part rotates around its rotation axis under the drive of the driver.
[0007] According to the above scheme, the rotation axis of the glass fixing member is perpendicular to the light path, and the visible light colored glass and the mist-transmitting glass are symmetrically arranged on both sides of the rotation axis of the glass fixing member.
[0008] According to the above scheme, the coating band of the visible light lens is 400 to 1100nm.
[0009] According to the above scheme, the coating band of visible light colored glass is 400~650nm.
[0010] According to the above scheme, the coating band of fog-transmitting glass is 700~1100nm.
[0011] The beneficial effects of the utility model are as follows: the visible light lens in the device covers the color imaging band and the near-infrared band. When a color image is required, the control driver places the visible light colored glass in the optical path to filter out the near-infrared band. At this time, the camera is set to the color mode, which can achieve color imaging under normal conditions. When the weather conditions are not good, the control driver places the fog-penetrating glass in the optical path to filter out the color imaging band. Since the near-infrared optical fiber can diffract tiny particles, the near-infrared light can be used for fog-penetrating imaging. At this time, the camera is set to the black and white mode to avoid the image from being red. The device can selectively filter out the color imaging band or the near-infrared band in the optical path according to actual needs. By switching the camera imaging mode, it can realize the free switching between conventional color imaging and fog-penetrating imaging, which expands the use scenarios of the visible light imaging device and enables detection even in bad weather. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic structural diagram of a fog-penetrating visible light imaging device according to an embodiment of the utility model;
[0013] Figure 2 It is a schematic diagram of the structure of an optical switching mechanism according to an embodiment of the utility model.
[0014] In the figure: 1-glass fixing part, 2-visible light colored glass, 3-fog-permeable glass, 4-driver, 5-driver input end. DETAILED DESCRIPTION
[0015] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.
[0016] A visible light imaging device capable of penetrating fog comprises a visible light lens (with a coating wavelength of 400 to 1100 nm), an optical switching mechanism, and a camera which are sequentially arranged along an optical path. The optical switching mechanism comprises a driver 4, a visible light colored glass 2 (with a coating wavelength of 400 to 1100 nm), and a mist-penetrating glass 3 (with a coating wavelength of 700 to 1100 nm). In the optical switching mechanism, the visible light colored glass 2 and the mist-penetrating glass 3 are arranged on a glass fixing member 1, the glass fixing member 1 is drivingly connected to an output end of the driver 4, the driver 4 is provided with a driver input end 5 for inputting an external control signal, the glass fixing member 1 rotates around its rotation axis under the drive of the driver 4, the rotation axis of the glass fixing member 1 is perpendicular to the optical path, and the visible light colored glass 2 and the mist-penetrating glass 3 are symmetrically arranged on both sides of the rotation axis of the glass fixing member.
[0017] Furthermore, the visible light colored glass 2 and the mist-permeable glass 3 are both circular in shape, the upper part of the glass fixing part 1 is semicircular, and the visible light colored glass 2 and the mist-permeable glass 3 are fixed thereon, and the lower part thereof is an inverted triangle, and the bottom is drivingly connected to the output end of the driver 4. When the output end of the driver 4 rotates, the glass fixing part 1 is driven to rotate, thereby realizing the switching of the visible light colored glass 2 and the mist-permeable glass 3 in the light path.
[0018] The utility model proposes a visible light imaging device that can penetrate fog. By setting the working band of the visible light lens to 400-1100nm, and matching the optical switching mechanism and the camera back-end image processing, both color imaging and fog-penetrating imaging can be achieved. On the basis of visible light imaging, the principle that near-infrared light can diffract tiny particles is used to achieve a fog-penetrating function that can still achieve clear imaging under adverse weather conditions such as fog, dust, smoke, and light rain, and the reconnaissance distance is not affected.
[0019] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A fog-penetrating visible light imaging device, characterized in that: The invention comprises a visible light lens, an optical switching mechanism and a camera which are sequentially arranged along an optical path. The optical switching mechanism comprises a driver, visible light colored glass and mist-penetrating glass. The visible light colored glass and the mist-penetrating glass are driven by the driver to be selectively placed in the optical path.
2. The fog-permeable visible light imaging device according to claim 1, characterized in that: In the optical switching mechanism, the visible light colored glass and the mist-transmitting glass are arranged on a glass fixing part, the glass fixing part is drivingly connected to the output end of the driver, and the glass fixing part rotates around its rotation axis under the driving of the driver.
3. The fog-permeable visible light imaging device according to claim 2, characterized in that: The rotation axis of the glass fixing part is perpendicular to the light path, and the visible light colored glass and the mist-transmitting glass are symmetrically arranged on both sides of the rotation axis of the glass fixing part.
4. The fog-permeable visible light imaging device according to claim 1, characterized in that: The coating band of the visible light lens is 400~1100nm.
5. The fog-permeable visible light imaging device according to claim 1, characterized in that: The coating band of visible light colored glass is 400~650nm.
6. The fog-permeable visible light imaging device according to claim 1, characterized in that: The coating wavelength band of fog-transmitting glass is 700~1100nm.