Water body remote sensing optical imaging filter device capable of adjusting polarization angle

By designing an adjustable polarization angle optical imaging filter device for water remote sensing, the problem of traditional devices being unable to eliminate polarization light interference was solved, achieving high-quality imaging effects for water remote sensing.

CN224020052UActive Publication Date: 2026-03-20NANCHANG HANGKONG UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Traditional water remote sensing optical imaging devices cannot adjust the polarization angle, resulting in interference from polarized light such as reflected light from the water surface and sky light, which affects the imaging contrast and clarity, making it difficult to accurately obtain water information.

Method used

An adjustable polarization angle optical imaging filter device for water remote sensing was designed. The polarization angle can be flexibly adjusted through a polarization filter and an adjustment mechanism to eliminate polarization light interference and improve imaging quality.

Benefits of technology

It enables flexible adjustment of the polarization angle according to the water environment, accurately eliminates polarized light interference, improves imaging contrast and clarity, and ensures accurate acquisition of water information.

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Abstract

The utility model discloses a water body remote sensing optical imaging filter device capable of adjusting a polarization angle. The water body remote sensing optical imaging filter device comprises a main body structure; the main body structure comprises a supporting seat and a U-shaped seat, the front end of the remote sensing optical imaging lens is provided with a polarization filter used for eliminating water surface interference light, two sides of the polarization filter are provided with shaft rods, and the polarization filter is rotatably arranged at the front end of the remote sensing optical imaging lens through the shaft rods; the adjusting mechanism is used for adjusting the polarization angle; the adjusting mechanism comprises an adjusting seat, a shaft rod on one side of the polarization filter is rotatably inserted into the center of the adjusting seat, the end portion of the shaft rod is fixedly connected with a pointer, and an adjusting handle is rotatably arranged on the pointer. The polarization angle can be flexibly adjusted according to the light polarization state in the water body environment, interference of polarized light such as water body surface reflected light and sky light is specifically eliminated, the imaging contrast and definition are improved, and accurate water body information obtaining is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water body remote sensing technical equipment technical field, concretely is water body remote sensing optical imaging filter lens device of adjustable polarization angle. BACKGROUND

[0002] Water body remote sensing technology is a kind of sensor from long distance to the electromagnetic wave radiation, reflection etc. of water body target (such as river, lake, ocean etc.), and then obtains the physical, chemical, biological etc. information of water body, including the temperature, salinity, chlorophyll content, suspended silt concentration, pollutant distribution etc. of water body, through the analysis and processing of these remote sensing data, can realize the application of water body resource investigation, water environment monitoring, water ecological evaluation and flood disaster early warning etc., with monitoring range is wide, fast, low in cost, can long-term dynamic monitoring etc. Advantage, plays an important role in water resource management, environmental protection, ocean science research etc. Many fields.

[0003] In the process of water body remote sensing optical imaging, the polarization light such as reflection light of water body surface and sky light can interfere with imaging, cause the contrast and definition of image to drop, influence accurate acquisition of water body information.The traditional water body remote sensing optical imaging filter lens device usually does not have the function of adjusting polarization angle, cannot effectively eliminate the interference light of different polarization states, is difficult to meet the complex and changeable water body environment and remote sensing imaging demand. UTILITY MODEL CONTENT

[0004] The utility model aims at providing water body remote sensing optical imaging filter lens device of adjustable polarization angle, can flexibly adjust polarization angle according to the polarization state of light in water body environment, pertinently eliminate the polarization light interference such as reflection light of water body surface and sky light, improve imaging contrast and definition, ensure accurate acquisition of water body information, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Water body remote sensing optical imaging filter lens device of adjustable polarization angle, comprising:

[0007] Main body structure;

[0008] The main body structure includes support seat and U-shaped seat, U-shaped seat is arranged at the top of support seat, remote sensing optical imaging lens is installed in U-shaped seat, one side of U-shaped seat is provided with operating panel, the front end of remote sensing optical imaging lens is provided with polarization filter for eliminating water surface interference light, shaft rod is arranged on both sides of polarization filter and is rotatably arranged on the front end of remote sensing optical imaging lens by shaft rod;

[0009] Further comprising adjusting mechanism for adjusting polarization angle;

[0010] The adjusting mechanism comprises an adjusting seat arranged at one side of the front end of the remote sensing optical imaging lens, a shaft rod of the polarization filter is rotatably inserted into the center of the adjusting seat, and a pointer is fixedly connected to the end of the shaft rod, and an adjusting handle is rotatably arranged on the pointer.

[0011] Preferably, a frame is arranged outside the polarization filter, and the shaft rod is arranged at two sides of the frame.

[0012] Preferably, scale grooves are equidistantly arranged on the end face of the adjusting seat, a threaded sleeve is arranged at the end of the pointer, a first positioning screw is threadedly installed in the threaded sleeve, a knob is arranged at one end of the first positioning screw, and the other end of the first positioning screw abuts against the scale grooves to form positioning.

[0013] Preferably, supports are symmetrically arranged at the bottom of the supporting seat, the supports are arranged in an inclined manner, and a sleeve ring is arranged at the lower end of the supports.

[0014] Preferably, a connecting rod is slidably inserted into the inside of the sleeve ring, a foot support is arranged at the lower end of the connecting rod, a sharp cone is arranged at the center of the bottom of the foot support, and sharp spikes are arranged around the sharp cone at the bottom of the foot support.

[0015] Preferably, positioning holes are equidistantly arranged on one side of the outer wall of the connecting rod, a second positioning screw is threadedly installed on one side of the outer wall of the sleeve ring, a knob is arranged at one end of the second positioning screw, and the other end of the second positioning screw is inserted into the inside of the positioning hole to form positioning.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1. The rotatable polarization filter can be flexibly adjusted according to the polarization state of light in the water environment, the polarization angle can be adjusted, the polarization light interference such as water surface reflection light and sky light can be eliminated, the imaging contrast and definition are improved, and the water body information can be accurately obtained.

[0018] 2. Meanwhile, the pointer at the end of the polarization filter shaft rod cooperates with the scale grooves on the end face of the adjusting seat and the first positioning screw which is threadedly installed, the knob can be rotated to accurately position, the polarization angle can be accurately adjusted, and the demand for different polarization angles in complex water body remote sensing imaging is met. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the present application;

[0020] Figure 2 It is a structural schematic view of the adjusting seat of the present application;

[0021] Figure 3 It is a structural schematic view of the pointer of the present application;

[0022] Figure 4 It is a structure schematic view of the support of the utility model.

[0023] In the drawing: 1, support seat; 2, U-shaped seat; 3, remote sensing optical imaging lens; 4, operation panel; 5, polarization filter; 6, mirror frame; 7, adjusting seat; 8, scale groove; 9, pointer; 10, adjusting handle; 11, threaded sleeve; 12, first positioning screw; 13, support; 14, collar; 15, connecting rod; 16, foot prop; 17, sharp cone; 18, second positioning screw; 19, positioning hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-3 The utility model provides a technical scheme:

[0026] The adjustable polarization angle water body remote sensing optical imaging filter device, include: main body structure, main body structure includes support seat 1 and U-shaped seat 2, U-shaped seat 2 is set up in the top of support seat 1, U-shaped seat 2 is installed with remote sensing optical imaging lens 3, one side of U-shaped seat 2 is provided with operation panel 4, the front end of remote sensing optical imaging lens 3 is provided with polarization filter 5 for eliminating water surface interference light, polarization filter 5 both sides are provided with axle and are set up in rotation in the front end of remote sensing optical imaging lens 3 through axle;Polarization filter 5 is provided with mirror frame 6 outside, and axle is located at both sides of mirror frame 6.

[0027] Support seat 1 plays the role of firm support the whole device, provides stable placement basis for the structure above. U-shaped seat 2 is placed on the top of support seat 1, its shape is adapted to remote sensing optical imaging lens 3, can firmly fix the lens in a specific position, guarantee the stability of lens work. Polarization filter 5 is connected with the front end of remote sensing optical imaging lens 3 by the axle on both sides, can rotate around axle, and mirror frame 6 surrounds polarization filter 5 and connects axle, so that the filter keeps the structure stable when rotating.

[0028] Such design builds a stable device frame, guarantees the orderly combination of each component. Among them, the rotatable polarization filter 5 is the core component, and its rotating function lays the foundation for subsequent angle adjustment according to different polarization light interference, and is the key prerequisite for eliminating interference light and improving imaging quality.

[0029] Please refer to Figures 1-3 :

[0030] The adjusting mechanism is used for adjusting the polarization angle; the adjusting mechanism comprises an adjusting seat 7 arranged at one side of the front end of the remote sensing optical imaging lens 3, a shaft rod of one side of the polarization filter 5 is rotatably inserted into the center of the adjusting seat 7, and a pointer 9 is fixedly connected at the end of the shaft rod; and an adjusting handle 10 is rotatably arranged on the pointer 9.

[0031] Scale grooves 8 are equidistantly arranged on the end face of the adjusting seat 7; a threaded sleeve 11 is arranged at the end of the pointer 9; a first positioning screw rod 12 is screw-mounted in the threaded sleeve 11; a knob is arranged at one end of the first positioning screw rod 12; and the other end of the first positioning screw rod 12 abuts against the scale grooves 8 to form positioning.

[0032] In actual use, the adjusting handle 10 is rotatably connected with the pointer 9; an operator holds the adjusting handle 10 and rotates it by force; the handle drives the pointer 9 to rotate, and then drives the shaft rod connected with the pointer 9 to rotate, and finally drives the polarization filter 5 to rotate around the shaft rod, so as to change the polarization angle.

[0033] The operator is provided with a component convenient for operation, so that the process of adjusting the angle of the polarization filter 5 is more convenient and flexible, the operation difficulty is reduced, the adjusting efficiency is improved, and it is helpful to quickly adapt to different polarization light interference situations in the complex and changeable water environment.

[0034] The adjusting seat 7 is fixed at one side of the front end of the remote sensing optical imaging lens 3, and a shaft rod of the polarization filter 5 penetrates through the center of the adjusting seat 7 and is rotatable. The pointer 9 connected at the end of the shaft rod rotates synchronously with the shaft rod. The scale grooves 8 are equidistantly arranged on the end face of the adjusting seat 7; the threaded sleeve 11 is arranged at the end of the pointer 9; and the first positioning screw rod 12 is screwed into the threaded sleeve 11. When the knob is rotated, the first positioning screw rod 12 moves in the threaded sleeve 11, and one end thereof can abut against the scale grooves 8.

[0035] The scale grooves 8 cooperate with the first positioning screw rod 12 to realize accurate quantification and positioning of the rotation angle of the polarization filter 5. According to actual needs, an operator can rotate the knob, compare the scale grooves 8, and adjust the polarization filter 5 to a suitable angle, so as to accurately eliminate polarization light interference in a specific direction, and significantly improve the clarity and contrast of imaging.

[0036] Please refer to Figure 1 and Figure 4 :

[0037] The bottom of the support base 1 is symmetrically provided with supports 13, the supports 13 are arranged in an inclined manner, and the lower ends of the supports 13 are provided with collars 14. The collars 14 are slidably inserted with connecting rods 15, the lower ends of the connecting rods 15 are provided with foot props 16, the bottom center of the foot props 16 is provided with a sharp cone 17, and the bottom of the foot props 16 is provided with sharp spikes around the sharp cone 17. The outer wall of one side of the connecting rod 15 is equidistantly provided with positioning holes 19, the outer wall of one side of the collar 14 is threadedly installed with a second positioning screw 18, one end of the second positioning screw 18 is provided with a knob, and the other end of the second positioning screw 18 is inserted into the inside of the positioning hole 19 to form positioning.

[0038] The plurality of groups of inclined supports 13 symmetrically arranged at the bottom of the support base 1 increase the contact area with the placement surface and enhance the stability of the device when placed. The collar 14 is sleeved on the connecting rod 15 and can slide relatively, the second positioning screw 18 threadedly installed on the outer wall of the collar 14 can be rotated, the one end of the screw is inserted into the positioning hole 19 at different positions on the outer wall of the connecting rod 15, so as to fix the position of the connecting rod 15, thereby adjusting the height of the foot prop 16. The sharp cone 17 at the bottom center of the foot prop 16 and the sharp spikes around it can be stabbed into the ground when the device is placed.

[0039] The inclined supports 13 ensure that the device is placed stably. The height-adjustable foot prop 16 can adapt to various complex terrains, such as uneven ground, areas with slopes, etc., to ensure that the device can be stably placed in any environment, providing stable working conditions for water body remote sensing optical imaging. The sharp cone 17 and the sharp spikes further enhance the fixing effect of the device in soft ground and other environments, prevent the device from sliding or toppling over, and protect the imaging process from external interference.

[0040] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and those skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.

Claims

1. An adjustable polarization angle water remote sensing optical imaging filter device, characterized in that, include: Main structure; The main structure includes a support base (1) and a U-shaped base (2). The U-shaped base (2) is set on the top of the support base (1). A remote sensing optical imaging lens (3) is installed inside the U-shaped base (2). An operation panel (4) is set on one side of the U-shaped base (2). A polarizing filter (5) for eliminating interference light from the water surface is set at the front end of the remote sensing optical imaging lens (3). A shaft is set on both sides of the polarizing filter (5) and rotates at the front end of the remote sensing optical imaging lens (3) through the shaft. It also includes an adjustment mechanism for adjusting the polarization angle; The adjustment mechanism includes an adjustment seat (7) located on one side of the front end of the remote sensing optical imaging lens (3). The shaft on one side of the polarizing filter (5) is rotatably inserted into the center of the adjustment seat (7) and a pointer (9) is fixedly connected to its end. An adjustment handle (10) is rotatably mounted on the pointer (9).

2. The water remote sensing optical imaging filter device with adjustable polarization angle according to claim 1, characterized in that: The polarizing filter (5) is provided with a lens frame (6) on the outside, and the shaft is located on both sides of the lens frame (6).

3. The water remote sensing optical imaging filter device with adjustable polarization angle according to claim 1, characterized in that: The end face of the adjusting seat (7) is provided with graduated grooves (8) at equal intervals. The end of the pointer (9) is provided with a threaded sleeve (11). A first positioning screw (12) is installed in the threaded sleeve (11). One end of the first positioning screw (12) is provided with a knob. The other end of the first positioning screw (12) abuts against the graduated groove (8) to form a positioning.

4. The water remote sensing optical imaging filter device with adjustable polarization angle according to claim 1, characterized in that: The bottom of the support base (1) is symmetrically provided with a bracket (13), the bracket (13) is inclined, and a collar (14) is provided at the lower end of the bracket (13).

5. The water remote sensing optical imaging filter device with adjustable polarization angle according to claim 4, characterized in that: A connecting rod (15) is slidably inserted inside the collar (14). A foot support (16) is provided at the lower end of the connecting rod (15). A pointed cone (17) is provided at the center of the bottom of the foot support (16). Spikes are provided around the pointed cone (17) at the bottom of the foot support (16).

6. The water remote sensing optical imaging filter device with adjustable polarization angle according to claim 5, characterized in that: The connecting rod (15) has equidistant positioning holes (19) on one side of its outer wall. The collar (14) has a second positioning screw (18) threaded onto one side of its outer wall. One end of the second positioning screw (18) is provided with a knob, and the other end of the second positioning screw (18) is inserted into the positioning hole (19) to form a positioning.