CN216118191U

CN216118191U - 3D infrared night vision device

Info

Publication number: CN216118191U
Application number: CN202121736866.0U
Authority: CN
Inventors: 陈竹均
Original assignee: Gaodi Digital Qingdao Co Ltd
Current assignee: Gaodi Digital Qingdao Co Ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-03-22
Anticipated expiration: 2031-07-28

Abstract

The utility model relates to a 3D infrared night vision device, comprising: the display screen assembly comprises a first display screen and a second display screen which are arranged on the left and right, the refraction adjusting mechanism comprises a first refraction adjusting mechanism and a second refraction adjusting mechanism which are arranged independently, the eyepiece assembly comprises a first eyepiece and a second eyepiece which are arranged on the left and right, the lens module is connected with the image processor, the image processor is connected with the first display screen and the second display screen and enables the first display screen and the second display screen to synchronously display two-dimensional images, the first display screen transmits the two-dimensional images to the first ocular through the first refraction adjusting mechanism, the second display screen transmits the two-dimensional images to the second ocular through the second refraction adjusting mechanism, the first refraction adjusting mechanism adjusts the diopter of the first ocular, the second refraction adjusting mechanism adjusts the diopter of the second ocular, and the diopters of the first ocular and the second ocular are different to form binocular parallax.

Description

3D infrared night vision device

Technical Field

The utility model relates to the technical field of night vision devices, in particular to a 3D infrared night vision device.

Background

The existing night vision device displays two-dimensional images, and the visual perception needs to be improved. Moreover, the specifications of the eyepiece of the existing night vision device are not changed no matter whether the existing night vision device is a monocular or a binocular, the definition of an image is adjusted completely by depending on the distance between human eyes and the eyepiece, but the operation is not convenient and inaccurate, and due to the difference of human eyes, the eyesight of left eyes and right eyes of a plurality of people is inconsistent, so that the definition of the seen image still has a great space.

The history of 3D stereoscopic displays has been quite long, as early as the 19 th century when photography technology began. The stereoscopic vision can be sensed because the human eyes are laterally arranged side by side, the distance between the adult eyes is about 50-80 mm, there are differences between men and women, the interpupillary distance between men is larger, and there are differences between the adults of the same sex, so the image seen by the left eye and the image seen by the right eye have slight differences, which are called binocular parallax, the brain interprets the parallax of the two eyes and judges the distance of an object and generates the stereoscopic vision, and the stereoscopic vision is based on the binocular parallax, so the basis of the 3D stereoscopic display is to reproduce the binocular parallax manually. In the prior art, 2 cameras are arranged in parallel to simulate two eyes, and simultaneously take 2 slightly different photos, so that the left and right eyes can respectively see different images, thereby simulating stereoscopic vision, and various 3D stereoscopic display technologies are developed on the basis, and the main technology is 3D glasses for watching.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a 3D infrared night vision device that can display a three-dimensional image and is convenient to adjust.

In order to solve the technical problems, the utility model adopts the technical scheme that: a 3D infrared night vision device comprising: the display screen assembly comprises a first display screen and a second display screen which are arranged on the left and right sides, the refraction adjusting mechanism comprises a first refraction adjusting mechanism and a second refraction adjusting mechanism which are independently arranged, the eyepiece assembly comprises a first eyepiece and a second eyepiece which are arranged on the left and right sides, the lens module is connected with the image processor, the image processor is connected with the first display screen and the second display screen and enables the first display screen and the second display screen to synchronously display two-dimensional images, the first display screen transmits the two-dimensional images to the first eyepiece through the first refraction adjusting mechanism, the second display screen transmits the two-dimensional images to the second eyepiece through the second refraction adjusting mechanism, and the first refraction adjusting mechanism adjusts the diopter of the first eyepiece, the second diopter adjusting mechanism adjusts diopter of the second ocular lens, so that the diopter of the first ocular lens and the diopter of the second ocular lens are different to form binocular parallax.

Further, the first diopter adjustment mechanism adjusts diopter by adjusting the distance from the first eyepiece to the first display screen, and the second diopter adjustment mechanism adjusts diopter by adjusting the distance from the second eyepiece to the second display screen.

Further, refraction adjustment mechanism includes inner tube and urceolus, eyepiece subassembly is connected on the inner tube, the cooperation mechanism that has guide slot and lug to constitute between inner tube and the urceolus, the guide slot is the slant setting, when the urceolus rotated, the inner tube was close to or was kept away from the display screen subassembly.

Further, the first diopter adjustment mechanism adjusts diopter by adjusting the curvature radius of the first eyepiece, and the second diopter adjustment mechanism adjusts diopter by adjusting the curvature radius of the second eyepiece.

Further, the first diopter adjustment mechanism adjusts diopter by adjusting the refractive index of the first eyepiece, and the second diopter adjustment mechanism adjusts diopter by adjusting the refractive index of the second eyepiece.

Further, still including observing a section of thick bamboo, observe a section of thick bamboo including independent first observation section of thick bamboo and second and observe a section of thick bamboo, first display screen passes through first observation section of thick bamboo transmits the image for first eyepiece, the second display screen passes through the second and observes a section of thick bamboo and transmit the image for the second eyepiece.

Further, the distance between the eyepiece ends of the first observation tube and the second observation tube is larger than that between the ends of the display screens.

Furthermore, still include the eye shield cover, the eye shield cover includes first eye shield cover and second eye shield cover, first eye shield cover is connected and is kept away from at a first observation section of thick bamboo the one end of first display screen, second eye shield cover is connected and is kept away from at a second observation section of thick bamboo the one end of second display screen.

Further, the lens module is provided with an infrared light supplement lamp.

The utility model has the beneficial effects that: through refraction adjustment mechanism, adjust diopter to first eyepiece corresponds first refraction adjustment mechanism, and the second eyepiece corresponds second refraction adjustment mechanism, can adjust respectively about promptly, not only can realize bore hole 3D effect through refraction adjustment, but also can adapt to the visual difference of controlling the eye, makes the image that the user observed clearer.

Drawings

Fig. 1 is a schematic structural diagram of a 3D infrared night vision device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a viewing cylinder of a 3D infrared night vision device in accordance with an embodiment of the present invention;

FIG. 3 is a schematic view of another orientation of a viewing cylinder of a 3D infrared night vision device in accordance with an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an inner barrel of a 3D infrared night vision device according to an embodiment of the present invention.

Description of reference numerals:

100. a lens module; 110. an infrared light supplement lamp; 200. a display screen assembly; 210. a first display screen;

220. a second display screen; 300. a refractive adjustment mechanism; 310. a first diopter adjustment mechanism;

320. a second diopter adjustment mechanism; 301. an inner barrel; 3011. a bump; 302. an outer cylinder;

3021. a guide groove; 400. an eyepiece assembly; 500. an image processor; 600. eye protection sleeves;

610. a first eye-protecting sleeve; 620. a second eye-protecting sleeve; 700. an observation cylinder; 710. a first observation cylinder;

720. a second observation tube; 800. a battery.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, a 3D infrared night vision device of the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 4, a 3D infrared night vision device includes: the lens module 100, the display screen assembly 200, the refraction adjusting mechanism 300, the eyepiece assembly 400 and the image processor 500, the display screen assembly 200 comprises a first display screen 210 and a second display screen 220 which are arranged left and right, the refraction adjusting mechanism 300 comprises a first refraction adjusting mechanism 310 and a second refraction adjusting mechanism 320 which are arranged independently, the eyepiece assembly 400 comprises a first eyepiece and a second eyepiece which are arranged left and right, the lens module 100 is connected with the image processor 500, the image processor 500 is connected with the first display screen 210 and the second display screen 220 and enables the first display screen 210 and the second display screen 220 to synchronously display two-dimensional images, the first display screen 210 transmits the two-dimensional images to the first eyepiece through the first refraction adjusting mechanism 310, the second display screen 220 transmits the two-dimensional images to the second eyepiece through the second refraction adjusting mechanism 320, the first refraction adjusting mechanism 310 adjusts the diopter of the first eyepiece, the second diopter adjustment mechanism 320 adjusts the diopter of the second eyepiece so that the diopter of the first eyepiece and the diopter of the second eyepiece are different to form binocular parallax.

Through refraction adjustment mechanism 300, adjust diopter to first eyepiece corresponds first refraction adjustment mechanism 310, and the second eyepiece corresponds second refraction adjustment mechanism 320, can adjust respectively about promptly, not only can realize bore hole 3D effect through refraction adjustment, but also can adapt to the visual difference of controlling the eye, makes the image that the user observed clearer. Compared with the traditional mode that the 3D effect is realized by directly displaying two different images through a display screen, or the mode that the images at different angles are shot through two cameras is more convenient, no additional image processing is needed, the cost is reduced, the failure rate is reduced, and the stability is improved.

As an embodiment of the present invention, the first diopter adjustment mechanism 310 adjusts diopter power by adjusting the distance from the first eyepiece to the first display screen 210, and the second diopter adjustment mechanism 320 adjusts diopter power by adjusting the distance from the second eyepiece to the second display screen 220. It can be understood that when the distance from the ocular lens to the display screen is adjusted, the distance from the ocular lens to human eyes is also adjusted, and the diopter is adjusted by adjusting the distance, so that the adjusting device is simple and convenient.

Referring to fig. 2-3, the diopter adjustment mechanism 300 includes an inner barrel 301 and an outer barrel 302, the eyepiece assembly 400 is connected to the inner barrel 301, a matching mechanism composed of a guide groove 3021 and a projection 3011 is provided between the inner barrel 301 and the outer barrel 302, the guide groove 3021 is disposed obliquely, and when the outer barrel 302 rotates, the inner barrel 301 is close to or far from the display screen assembly 200. Through the rotation regulation distance, it is convenient to adjust to occupation space is little, is favorable to the miniaturization, and adjusts the precision and more accurate for direct straight line regulation distance. Simply, direct linear adjustment may also be used, as desired, for example, by making the guide groove 3021 axial. It will be appreciated that when the guide slot 3021 is provided on the inner barrel 301, the tab 3011 is provided on the outer barrel 302, and when the guide slot 3021 is provided on the outer barrel 302, the tab 3011 is provided on the inner barrel 301.

As another embodiment of the present invention, the first diopter adjustment mechanism 310 adjusts diopter power by adjusting the radius of curvature of the first eyepiece, and the second diopter adjustment mechanism 320 adjusts diopter power by adjusting the radius of curvature of the second eyepiece. In particular, a cavity can be arranged in the ocular lens, the curvature radius can be changed by injecting liquid into the cavity, and the injected liquid can be transparent liquid such as water, water salt solution or oil. In particular, piezoelectric ceramics can also be adopted, and the shape of the ocular lens can be adjusted and the curvature radius can be changed by changing the voltage passing through the piezoelectric ceramics to cause the piezoelectric ceramics to deform in different degrees.

As still another embodiment of the present invention, the first diopter adjustment mechanism 310 adjusts the diopter by adjusting the refractive index of the first eyepiece, and the second diopter adjustment mechanism 320 adjusts the diopter by adjusting the refractive index of the second eyepiece. Simply, can set up the cavity in the eyepiece, thereby change the refracting index of whole eyepiece through the liquid of pouring into different refracting indexes into the cavity. Or a graded index lens is used to adjust the refractive index of the liquid crystal by changing the voltage applied to the liquid crystal.

Referring to fig. 1-4, the display device further includes a viewing tube 700, the viewing tube 700 includes a first viewing tube 710 and a second viewing tube 720, the first display screen 210 transmits an image to the first eyepiece through the first viewing tube 710, and the second display screen 220 transmits an image to the second eyepiece through the second viewing tube 720. Set up an independent first observation section of thick bamboo 710 and a second observation section of thick bamboo 720, form two independent observation rooms, avoided seeing the image of two display screens from an eyepiece, lead to the vision impression to receive the influence, guarantee the viewing effect.

The distance between the eyepiece ends of the first observation tube 710 and the second observation tube 720 is larger than that of the display screen end. That is, the first viewing cylinder 710 and the second viewing cylinder 720 form an included angle, which is typically 0-15 degrees. It can be understood that the eyepiece end of the first observation tube 710 is the end where the first eyepiece is located, the display screen end is the end where the first display screen 210 is located, and the second observation tube 720 has the same principle. Generally, the included angle between the first observation tube 710 and the second observation tube 720 is fixed, and particularly, can be configured to be adjustable, that is, the display screen end of the observation tube 700 is hinged, so that the observation tube can rotate, and the eyepiece end can be matched with the arc-shaped sliding rail, thereby adjusting the included angle. The first observation tube 710 and the second observation tube 720 form a certain included angle, so that binocular parallax can be better formed, and a 3D image can be observed.

Referring to fig. 1-4, the eye protection sleeve 600 further includes an eye protection sleeve 600, the eye protection sleeve 600 includes a first eye protection sleeve 610 and a second eye protection sleeve 620, the first eye protection sleeve 610 is connected to an end of the first observation tube 710 far away from the first display screen 210, and the second eye protection sleeve 620 is connected to an end of the second observation tube 720 far away from the second display screen 220. The eye protection sleeve 600 is arranged to protect eyes, and meanwhile, the distance from the eyes to the eyepieces can be adjusted automatically according to needs.

Referring to fig. 1, the lens module 100 is provided with an infrared fill-in lamp 110. It can be understood that the photographing can be performed by the infrared fill light 110 when there is no light.

Referring to fig. 1, a battery 800 is generally disposed, the battery 800 is connected to a control circuit board, and the control circuit board is connected to a graphic processor and a lens assembly. The battery 800 is generally disposed between the first display screen 210 and the second display screen 220.

In particular, a lens distance adjusting mechanism is further included for adjusting the distance between the first observation cylinder 710 and the second observation cylinder 720 to accommodate the interpupillary distance difference between different individuals. Specifically, the first display screen 210, the first observation tube 710, the first eyepiece, the first diopter adjustment mechanism 310 and the first eye-protection sleeve 610 are connected as a whole, and the second display screen 220, the second observation tube 720, the second eyepiece, the second diopter adjustment mechanism 320 and the second eye-protection sleeve 620 are connected as a whole. In a simple manner, the lens distance adjusting mechanism may move only one of the first observation cylinder 710 and the second observation cylinder 720, or may move them together. Simply, mirror distance guiding mechanism can be formed by the guide rail recess, sets up the recess on observing a section of thick bamboo 700 promptly, and the cooperation guide rail removes, and the shifting block can be connected to an observation section of thick bamboo, removes an observation section of thick bamboo through removing the shifting block, and is simple also can reach through other rectilinear movement mechanism, like gear and rack cooperation.

The special observation tube comprises a shell, wherein the shell is provided with an installation cavity, a transverse rail connected with the shell is arranged in the installation cavity, two mobile stations are arranged on the transverse rail, the two mobile stations are respectively connected with a shifting block, the shifting block pushes the mobile stations to move along the transverse rail, an arc rail is arranged at the end, close to an eyepiece, of each mobile station, the end, close to a display screen, of each mobile station is hinged to an observation tube 700, and the observation tube 700 is matched with the arc rail. That is, the two observation tubes 700 can rotate and move laterally.

In summary, according to the 3D infrared night vision device provided by the utility model, the diopter is adjusted through the diopter adjustment mechanism, the first eyepiece corresponds to the first diopter adjustment mechanism, and the second eyepiece corresponds to the second diopter adjustment mechanism, so that the left and right can be respectively adjusted, the naked eye 3D effect can be realized through diopter adjustment, and the visual difference of the left and right eyes can be adapted, so that the image observed by the user is clearer.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A3D infrared night vision device, comprising: the display screen assembly comprises a first display screen and a second display screen which are arranged on the left and right sides, the refraction adjusting mechanism comprises a first refraction adjusting mechanism and a second refraction adjusting mechanism which are independently arranged, the eyepiece assembly comprises a first eyepiece and a second eyepiece which are arranged on the left and right sides, the lens module is connected with the image processor, the image processor is connected with the first display screen and the second display screen and enables the first display screen and the second display screen to synchronously display two-dimensional images, the first display screen transmits the two-dimensional images to the first eyepiece through the first refraction adjusting mechanism, the second display screen transmits the two-dimensional images to the second eyepiece through the second refraction adjusting mechanism, and the first refraction adjusting mechanism adjusts the diopter of the first eyepiece, the second diopter adjusting mechanism adjusts diopter of the second ocular lens, so that the diopter of the first ocular lens and the diopter of the second ocular lens are different to form binocular parallax.

2. The 3D infrared night vision device as set forth in claim 1, wherein the first diopter adjustment mechanism adjusts the diopter by adjusting the distance from the first eyepiece to the first display screen, and wherein the second diopter adjustment mechanism adjusts the diopter by adjusting the distance from the second eyepiece to the second display screen.

3. The 3D infrared night vision device as claimed in claim 2, wherein the diopter adjustment mechanism comprises an inner barrel and an outer barrel, the eyepiece assembly is connected to the inner barrel, a matching mechanism comprising a guide groove and a protrusion is provided between the inner barrel and the outer barrel, the guide groove is obliquely arranged, and the inner barrel is close to or far away from the display screen assembly when the outer barrel rotates.

4. The 3D infrared night vision device as set forth in claim 1, wherein the first diopter adjustment mechanism adjusts diopter by adjusting a radius of curvature of the first eyepiece and the second diopter adjustment mechanism adjusts diopter by adjusting a radius of curvature of the second eyepiece.

5. The 3D infrared night vision device as set forth in claim 1, wherein the first diopter adjustment mechanism adjusts the diopter by adjusting the refractive index of the first eyepiece and the second diopter adjustment mechanism adjusts the diopter by adjusting the refractive index of the second eyepiece.

6. The 3D infrared night vision device of claim 1, further comprising a viewing cylinder, the viewing cylinder comprising first and second independent viewing cylinders, the first display screen passing images through the first viewing cylinder to the first eyepiece and the second display screen passing images through the second viewing cylinder to the second eyepiece.

7. The 3D infrared night vision device of claim 6, wherein the first and second sight glasses have eyepiece ends that are spaced apart by a distance greater than the display screen end.

8. The 3D infrared night vision device of claim 1, further comprising an eye shield, the eye shield comprising a first eye shield and a second eye shield, the first eye shield being attached to the first viewing cylinder at an end remote from the first display screen, and the second eye shield being attached to the second viewing cylinder at an end remote from the second display screen.

9. The 3D infrared night vision device as claimed in claim 1, wherein the lens module is equipped with an infrared fill light.