CN213876176U - Self-adaptive stereoscopic vision low-light night vision head-mounted system - Google Patents
Self-adaptive stereoscopic vision low-light night vision head-mounted system Download PDFInfo
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- CN213876176U CN213876176U CN202023302029.5U CN202023302029U CN213876176U CN 213876176 U CN213876176 U CN 213876176U CN 202023302029 U CN202023302029 U CN 202023302029U CN 213876176 U CN213876176 U CN 213876176U
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Abstract
The utility model discloses a self-adaptive stereoscopic vision low-light night vision head-wearing system, which consists of a head-wearing system shell, an imaging component and a display component; the imaging assembly is mounted inside the head-mounted system shell; the display assembly is arranged outside the shell of the head-mounted system; the imaging component and the display component are respectively and electrically connected with the information processing circuit through cables; the imaging assembly includes a baseline length adjustment base; a left camera unit and a right camera unit are symmetrically distributed on the base line length adjusting base; a laser ranging module is arranged between the left camera shooting unit and the right camera shooting unit; the utility model has modular design and convenient adjustment; the self-adaptive adjustment of the observation field size, the base length and the visual axis included angle is realized, and a good three-dimensional imaging effect is formed.
Description
Technical Field
The utility model relates to a stereoscopic vision shimmer night vision head system has and relates to an adaptive stereoscopic vision shimmer night vision head system, belongs to stereoscopic vision shimmer night vision technical field.
Background
The stereoscopic vision low-light night vision system shown in fig. 1 comprises two lens cones which are symmetrically distributed left and right and have completely consistent structural compositions; the lens barrel consists of an objective lens A1, an objective lens adjusting device A2, a low-light-level imaging device A3, an image controller A4, a processing circuit system A5, an eyepiece lens adjusting device A6 and an eyepiece lens A7; the middle parts of the two lens barrels are connected through a connecting part A8; the objective lens A1, the objective lens adjusting device A2 and the low-light level imaging device A3 form an imaging system; the eyepiece adjusting device A6 and the eyepiece A7 form a display system. The structure can form stereoscopic vision; however, the stereoscopic low-light night vision system with such a structure has the following problems: 1) the imaging system and the display system adopt an integrated design, and the module group is not designed enough and cannot be replaced or adjusted independently; 2) the size of the observation field is fixed, the self-adaptive adjustment of the size of the observation field cannot be carried out according to the distance of an observed scene, and only the distance observation or the near observation can be carried out, but the distance observation and the near observation cannot be carried out; 3) the visual axis included angle and the base length of the left imaging system and the right imaging system are fixed, the left imaging system and the right imaging system cannot perform self-adaptive visual axis included angle and base length self-adaptive adjustment according to the observation distance, and a good three-dimensional imaging effect cannot be formed. Therefore, in order to solve the above problems, it is highly desirable to design an adaptive stereoscopic low-light night vision head-mounted system.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a self-adaptive stereoscopic vision low-light night vision head-wearing system which adopts a modular design and is convenient to adjust; the self-adaptive adjustment of the observation field size, the base length and the visual axis included angle is realized, and a good three-dimensional imaging effect is formed.
The utility model discloses a self-adaptive stereoscopic vision low-light night vision head-mounted system, which comprises a head-mounted system shell, an imaging component and a display component; the imaging assembly is mounted inside the head-mounted system shell; the display assembly is arranged outside the shell of the head-mounted system; the imaging component and the display component are respectively and electrically connected with the information processing circuit through cables;
the imaging assembly includes a baseline length adjustment base; a left camera unit and a right camera unit are symmetrically distributed on the base line length adjusting base; a laser ranging module is arranged between the left camera shooting unit and the right camera shooting unit; a base length adjusting screw rod penetrates through the center inside the base length adjusting base; the power end of the base length adjusting screw rod is in transmission connection with a base length adjusting motor; the left camera unit and the right camera unit are respectively in transmission connection with a base length adjusting screw rod through a bearing platform, the laser ranging module is installed at the central position of the top of the base length adjusting base, two sections of base length adjusting screw rods with different screw threads in the rotating directions are installed on the inner installation surface of the base length adjusting base, namely the base length adjusting screw rods are bidirectional screw rods, the bearing platforms of the left camera unit and the right camera unit are respectively in threaded connection with left-handed screw threads and right-handed screw threads at two ends of the base length adjusting screw rods, and when the base length adjusting motor drives the base length adjusting screw rods to rotate, the bearing platforms of the left camera unit and the right camera unit are driven to move in the opposite directions or in the opposite directions at two sides of the laser ranging module along the axial direction of the base length adjusting base;
the left camera unit and the right camera unit have the same structure; the left camera unit comprises a camera, a camera focal length adjusting screw arranged around the outer side of the camera, and a camera rotating mechanism arranged at the bottom of the camera; the camera rotating mechanism is arranged on the bearing table; the camera focal length adjusting rotary screw is in transmission connection with a camera focal length adjusting motor; the camera rotating mechanism is in transmission connection with the camera rotating motor, wherein the camera rotating mechanism can drive the camera to rotate back and forth under the driving of the camera rotating motor, and the camera rotating mechanism is equivalent to a rotary workbench in the prior art, and the specific structure and the working principle of the rotary workbench are not detailed herein;
the laser ranging module, the camera, the base length adjusting motor, the camera focal length adjusting motor and the camera rotating motor are respectively and electrically connected with the information processing circuit;
the display assembly consists of a left display assembly and a right display assembly, and the left display assembly and the right display assembly are symmetrically distributed on the inner side surface of the shell of the head-mounted system; the left display component and the right display component have the same structure; the left display component comprises a micro display and a display eyepiece; the micro display is electrically connected with the information processing circuit.
Furthermore, the camera comprises a camera shell, an objective lens and a solid low-light imaging device, wherein the objective lens and the solid low-light imaging device are arranged in the camera shell; the camera focal length adjusting rotary screw is arranged outside the objective lens.
Still further, the solid low-light imaging device is a CCD imaging device or a CMOS imaging device.
Further, the micro-display is an OLED, LCD or LCOS display.
The utility model discloses a self-adaptation stereovision shimmer night vision system of wearing, its working process is: external scenery light under night or the low light level condition is received through camera objective, and the convergent imaging becomes the image signal of telecommunication on camera solid shimmer image device focal plane, becomes after photoelectric conversion, and the image signal of telecommunication spreads into information processing circuit and carries out image processing, sends the microdisplay at last and carries out image display, and the shimmer image that the people's eye just can the scenery at night through showing the eyepiece.
The utility model discloses a self-adaptation stereovision shimmer night vision head-mounted system, its observation field size self-adaptation control method is: laser ranging moduleThe distance measurement is carried out on the scenery in real time to obtain the distance of the scenery, the information processing circuit controls camera focal length adjusting motors of the left camera unit and the right camera unit according to the distance to drive the camera focal length adjusting rotary screw to adjust the focal length of the camera, the control signals of the two cameras are completely the same, and the focal length adjusting quantities are completely the same; let the shortest distance that the laser ranging module can measure be L0The farthest distance which can be measured by the laser ranging module is L1The minimum focal length of the camera lens is f0The maximum focal length of the camera lens is f1Then, the focal length f of the camera lens corresponding to the scene distance L is:
the utility model discloses a self-adaptation stereovision shimmer night vision head-mounted system, its base length self-adaptation control method is: the laser ranging module measures the distance of the scenery in real time to obtain the distance of the scenery, the information processing circuit controls the base length adjusting motor according to the distance to drive the base length adjusting screw rod to move the bearing tables of the left camera unit and the right camera unit left and right, and the adjustment amounts of the two cameras are completely the same and the directions are opposite; let the shortest distance that the laser ranging module can measure be L0The farthest distance which can be measured by the laser ranging module is L1The minimum base line length of the camera is B0Maximum base length of B1Then, the length B of the camera baseline corresponding to the scene distance L is:
the utility model discloses a self-adaptation stereovision shimmer night vision head-mounted system, its visual axis contained angle self-adaptation control method is: the laser ranging module measures the distance of the scenery in real time to obtain the distance L of the scenery, the information processing circuit controls the camera rotating motors of the left camera unit and the right camera unit according to the distance to drive the camera rotating mechanism to adjust the visual axis angle of the left camera and the right camera, and the adjustment amount of the two cameras are completely the same and the directions are opposite; the angle theta between the visual axis direction of the camera corresponding to the scene distance L and the baseline direction is as follows:
compared with the prior art, the self-adaptive stereoscopic vision low-light night vision head-mounted system has the advantages that through self-adaptive focal length adjustment, one set of system has double functions of large-view-field close-range observation and small-view-field long-range observation, and the close-range observation and the long-range observation can automatically change the view fields; the included angle of the visual axes of the left imaging system and the right imaging system and the length of the base line can be adjusted in a self-adaptive manner according to the imaging distance, so that a good three-dimensional imaging effect is formed; the imaging system and the display system adopt a module design, can be independently replaced or independently adjusted, and are convenient to maintain, expand and upgrade.
Drawings
Fig. 1 is a schematic diagram of a stereoscopic low-light night vision system in the prior art.
Fig. 2 is a schematic view of the overall structure of the present invention.
The components in the drawings are labeled as: a1-objective lens, A2-objective lens adjusting device, A3-low-light imaging device, A4-image controller, A5-processing circuit system, A6-eyepiece lens adjusting device, A7-eyepiece lens, A8-connecting part, 1-head system shell, 2-information processing circuit, 3-base length adjusting base, 4-laser ranging module, 5-base length adjusting screw rod, 6-base length adjusting motor, 7-bearing platform, 8-camera, 9-camera focal length adjusting swivel screw, 10-camera rotating mechanism, 11-camera focal length adjusting motor, 12-camera rotating motor, 13-micro display, 14-display eyepiece lens, 15-cable, P1 left camera shooting unit, P2-right camera shooting unit, m1-left display element, M2-right display element.
Detailed Description
The adaptive stereoscopic vision low-light night vision head-mounted system shown in fig. 2 is composed of a head-mounted system shell 1, an imaging assembly and a display assembly; the imaging assembly is arranged inside the head-wearing system shell 1; the display component is arranged outside the shell 1 of the head-wearing system; the imaging component and the display component are respectively and electrically connected with the information processing circuit 2 through cables 15;
the imaging assembly comprises a base length adjustment base 3; a left camera unit P1 and a right camera unit P2 are symmetrically distributed on the base line length adjusting base 3; a laser ranging module 4 is arranged between the left camera shooting unit P1 and the right camera shooting unit P2; a base length adjusting screw rod 5 penetrates through the center inside the base length adjusting base 3; the power end of the base length adjusting screw rod 5 is in transmission connection with a base length adjusting motor 6; the left camera shooting unit P1 and the right camera shooting unit P2 are in transmission connection with a base line length adjusting screw rod 5 through a bearing platform 7 respectively;
the left camera shooting unit P1 and the right camera shooting unit P2 are identical in structure; the left camera unit P1 comprises a camera 8, a camera focal length adjusting rotary screw 9 arranged around the outer side of the camera 8, and a camera rotating mechanism 10 arranged at the bottom of the camera 8; the camera rotating mechanism 10 is arranged on the bearing table 7; the camera focal length adjusting rotary screw 9 is in transmission connection with a camera focal length adjusting motor 11; the camera rotating mechanism 10 is in transmission connection with a camera rotating motor 12;
the laser ranging module 4, the camera 8, the base length adjusting motor 6, the camera focal length adjusting motor 11 and the camera rotating motor 12 are respectively electrically connected with the information processing circuit 2;
the display assembly consists of a left display assembly M1 and a right display assembly M2, and the left display assembly M1 and the right display assembly M2 are symmetrically distributed on the inner side surface of the shell 1 of the head-mounted system; the left display assembly M1 and the right display assembly M2 are the same; the left display component M1 comprises a microdisplay 13 and a display eyepiece 14; the micro display 13 is electrically connected to the information processing circuit 2.
The camera 8 comprises a camera shell, an objective lens and a solid low-light imaging device, wherein the objective lens and the solid low-light imaging device are arranged in the camera shell; the camera focal length adjusting screw 9 is arranged outside the objective lens.
The solid low-light imaging device is a CCD imaging device or a CMOS imaging device.
The micro-display 13 is an OLED, LCD or LCOS display.
The utility model discloses a self-adaptation stereovision shimmer night vision system of wearing, its basic working process is: the light of an external scene under the condition of night or low illumination is received by the camera objective lens, is converged and imaged on a focal plane of a camera solid low-light-level imaging device, is converted into an image electric signal through photoelectric conversion, the image electric signal is transmitted into the information processing circuit for image processing, and is finally transmitted to the micro display for image display, and the human eye can obtain a low-light-level image of the scene at night through the display eyepiece;
specifically, the observation field size adaptive adjustment method comprises the following steps: the laser ranging module measures the distance of a scene in real time to obtain the distance of the scene, the information processing circuit controls camera focal length adjusting motors of the left camera unit and the right camera unit according to the distance to drive the camera focal length adjusting rotary screw to adjust the focal length of the camera, the control signals of the two cameras are completely the same, and the focal length adjusting amounts are completely the same; let the shortest distance that the laser ranging module can measure be L0The farthest distance which can be measured by the laser ranging module is L1The minimum focal length of the camera lens is f0The maximum focal length of the camera lens is f1Then, the focal length f of the camera lens corresponding to the scene distance L is:
the self-adaptive adjusting method for the length of the base line comprises the following steps: the laser ranging module measures the distance of the scenery in real time to obtain the distance of the scenery, the information processing circuit controls the base length adjusting motor according to the distance to drive the base length adjusting screw rod to move the bearing tables of the left camera unit and the right camera unit left and right, and the adjustment amounts of the two cameras are completely the same and the directions are opposite; let the shortest distance that the laser ranging module can measure be L0The farthest distance which can be measured by the laser ranging module is L1The minimum base line length of the camera is B0At the mostThe large base length is B1Then, the length B of the camera baseline corresponding to the scene distance L is:
the self-adaptive adjusting method of the visual axis included angle comprises the following steps: the laser ranging module measures the distance of the scenery in real time to obtain the distance L of the scenery, the information processing circuit controls the camera rotating motors of the left camera unit and the right camera unit according to the distance to drive the camera rotating mechanism to adjust the visual axis angle of the left camera and the right camera, and the adjustment amount of the two cameras are completely the same and the directions are opposite; the angle theta between the visual axis direction of the camera corresponding to the scene distance L and the baseline direction is as follows:
the utility model discloses a self-adaptation stereovision shimmer night vision head-mounted system, through self-adaptation focal length adjustment, make a set of system possess the dual function of big visual field close-range observation and little visual field long-range observation, and close-range and long-range observation can carry out the visual field transform automatically; the included angle of the visual axes of the left imaging system and the right imaging system and the length of the base line can be adjusted in a self-adaptive manner according to the imaging distance, so that a good three-dimensional imaging effect is formed; the imaging system and the display system (the imaging assembly and the display assembly) adopt a module design, can be independently replaced or independently adjusted, and are convenient to maintain, expand and upgrade. The utility model discloses an adaptive stereo vision shimmer night vision head system is except being applied to stereo vision shimmer night vision head system, still can be applied to in other three-dimensional observation systems, like augmented reality head system, infrared imaging system etc..
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (3)
1. The utility model provides a system is worn to self-adaptation stereovision shimmy night vision which characterized in that: the head-mounted system consists of a head-mounted system shell, an imaging component and a display component; the imaging assembly is mounted inside the head-mounted system shell; the display assembly is arranged outside the shell of the head-mounted system; the imaging component and the display component are respectively and electrically connected with the information processing circuit through cables;
the imaging assembly includes a baseline length adjustment base; a left camera unit and a right camera unit are symmetrically distributed on the base line length adjusting base; a laser ranging module is arranged between the left camera shooting unit and the right camera shooting unit; a base length adjusting screw rod penetrates through the center inside the base length adjusting base; the power end of the base length adjusting screw rod is in transmission connection with a base length adjusting motor; the left camera shooting unit and the right camera shooting unit are in transmission connection with a base line length adjusting screw rod through a bearing platform respectively;
the left camera unit and the right camera unit have the same structure; the left camera unit comprises a camera, a camera focal length adjusting screw arranged around the outer side of the camera, and a camera rotating mechanism arranged at the bottom of the camera; the camera rotating mechanism is arranged on the bearing table; the camera focal length adjusting rotary screw is in transmission connection with a camera focal length adjusting motor; the camera rotating mechanism is in transmission connection with a camera rotating motor;
the laser ranging module, the camera, the base length adjusting motor, the camera focal length adjusting motor and the camera rotating motor are respectively and electrically connected with the information processing circuit;
the display assembly consists of a left display assembly and a right display assembly, and the left display assembly and the right display assembly are symmetrically distributed on the inner side surface of the shell of the head-mounted system; the left display component and the right display component have the same structure; the left display component comprises a micro display and a display eyepiece; the micro display is electrically connected with the information processing circuit; the camera comprises a camera shell, an objective lens and a solid low-light imaging device, wherein the objective lens and the solid low-light imaging device are arranged in the camera shell; the camera focal length adjusting rotary screw is arranged outside the objective lens.
2. The adaptive stereoscopic night vision head-mounted system of claim 1, wherein: the solid low-light imaging device is a CCD imaging device or a CMOS imaging device.
3. The adaptive stereoscopic night vision head-mounted system of claim 1, wherein: the micro-display is an OLED, LCD or LCOS display.
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| CN202023302029.5U CN213876176U (en) | 2020-12-31 | 2020-12-31 | Self-adaptive stereoscopic vision low-light night vision head-mounted system |
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| CN202023302029.5U CN213876176U (en) | 2020-12-31 | 2020-12-31 | Self-adaptive stereoscopic vision low-light night vision head-mounted system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731665A (en) * | 2020-12-31 | 2021-04-30 | 中国人民解放军32181部队 | Self-adaptive binocular stereoscopic vision low-light night vision head-mounted system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731665A (en) * | 2020-12-31 | 2021-04-30 | 中国人民解放军32181部队 | Self-adaptive binocular stereoscopic vision low-light night vision head-mounted system |
| CN112731665B (en) * | 2020-12-31 | 2022-11-01 | 中国人民解放军32181部队 | Self-adaptive binocular stereoscopic vision low-light night vision head-mounted system |
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