Portable wide-field night vision glasses

Abstract

The invention relates to a pair of portable wide-field night vision glasses in the technical field of night vision glasses, which comprises a main machine body and a battery compartment, the main machine body is connected with the battery compartment through a cable, the battery compartment supplies power to the main machine body, and the main machine body comprises a machine shell, an imaging assembly, a display assembly and an eyeshade; a main control board is arranged in the shell; the imaging assembly comprises four objective lenses, and each objective lens is matched with a low-illumination CMOS camera; the display assembly comprises four eyepieces, and each eyepiece is matched with an OLED (Organic Light Emitting Diode) micro display; the eyeshade is connected with the eyepiece; and the low-illumination CMOS camera and the OLED micro display are electrically connected with the main control board. The four paths of low-illumination CMOS cameras collect and output images through the corresponding objective lenses, the main control board processes the collected images and then drives the corresponding OLED micro-displays to display the images, and the four paths of OLED micro-displays form 120-degree wide-field-of-view images through the ocular lenses.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of night vision glasses, and particularly relates to a portable wide-field night vision glasses. BACKGROUND

[0002] Early night vision equipment is mainly in a single-tube or binocular structure, and the core relies on an image intensifier tube technology, which converts a low-light signal into an electronic signal through a photocathode, and forms an image after amplification by a microchannel plate (MCP). However, due to the limitation of optical design, the field of view is generally only 30-40°, the field of view is limited, the imaging is dispersed, the observation effect is poor, and dizziness is easily caused after long-time use. In addition, it is inconvenient to carry, and cannot be well applied to the military field. Therefore, there is an urgent need for a portable wide-field night vision glasses to solve the above technical problems. SUMMARY

[0003] The application aims at the deficiencies in the prior art, and provides a portable wide-field night vision glasses, which comprises a main body and a battery compartment, the main body is connected with the battery compartment through a cable, the battery compartment supplies power for the main body, the main body comprises a casing, an imaging assembly, a display assembly and an eyecup, the casing is internally provided with a main control board, the imaging assembly comprises objective lenses, the objective lenses are provided with four paths, and each path of the objective lenses is matched with a low-illumination CMOS camera, the display assembly comprises ocular lenses, the ocular lenses are provided with four paths, and each path of the ocular lenses is matched with an OLED micro display, and the eyecup is connected with the ocular lenses. The low-illumination CMOS cameras and the OLED micro displays are electrically connected with the main control board, the low-illumination CMOS cameras collect images through the corresponding objective lenses and output, the main control board drives the corresponding OLED micro displays to display after processing the collected images, and the four paths of the OLED micro displays form a 120° wide-field image through the ocular lenses.

[0004] Preferably, the casing comprises a front cover and a rear cover, four objective lenses are distributed on the front cover, two by two, and an IR fill light is arranged between the two objective lenses on the same side of the front cover.

[0005] Preferably, a power supply switch, a rotary coding switch and an interface connector are arranged on the main body, the power supply switch controls the battery compartment to power on the main body, and the rotary coding switch controls the working states of the IR fill light and the low-illumination CMOS camera.

[0006] Preferably, the rotary coding switch controls the working states of the IR fill light switch and the low-illumination CMOS camera through an I / O port, the switch signal of the rotary coding switch is input into the main control board, the main control board collects the I / O port signal, analyzes the signal, controls the power supply of the IR fill light through the I / O signal, communicates with the low-illumination CMOS camera through an RS422 serial port, and controls the low-illumination CMOS camera.

[0007] Preferably, the field of view of the four said eyepieces is 40°*30°, the four said eyepieces are left main mirror, left auxiliary mirror, right main mirror and right auxiliary mirror, the optical path of the left main mirror is parallel to the optical path of the right main mirror, the angle between the optical path of the left auxiliary mirror and the optical path of the left main mirror is 36°, and the angle between the optical path of the right auxiliary mirror and the optical path of the right main mirror is 36°; the four said OLED micro-displays are optically and physically spliced by the optical system formed by the optical paths of the four eyepieces to realize a 120° wide field of view image. The left main mirror and the right main mirror display images with parallax, so that the human eye has better stereoscopic vision when observing.

[0008] Preferably, the shell is provided with a quick mounting interface.

[0009] Preferably, the battery compartment mainly comprises a compartment body, an upper cover is arranged at the upper end of the compartment body, the upper cover is detachably connected with the compartment body through locking nails, a lower cover is arranged at the lower end of the compartment body, positive and negative circuit boards are arranged at the upper and lower ends in the compartment body respectively, detachable batteries are arranged in the compartment body of the positive and negative circuit boards, spring contact pins are connected with the positive circuit board, and a socket is arranged on the lower cover. The battery compartment can be installed with 1 to 4 18650 batteries 19.

[0010] Working principle: the host body is connected with the battery compartment through the cable to supply power to the night vision goggles, after the portable wide field of view night vision goggles are started, the low-illumination CMOS camera starts to collect images, and the OLED micro-display displays images, when the human eye observes, the four said OLED micro-displays are optically and physically spliced by the optical system formed by the optical paths of the four eyepieces to realize a 120° wide field of view image. The left main mirror and the right main mirror display images with parallax, so that the human eye has better stereoscopic vision when observing.

[0011] The application has the following beneficial effects: high-definition images are collected by a high-resolution low-illumination CMOS camera, then optical and physical splicing is performed to form a 120° wide field of view effect, the wide field of view technology can effectively improve the observation field of view of the equipment, enhance the sense of presence in the virtual space, not easy to feel dizzy, can cover a wider observation range, obtain more information, and is suitable for night marching, night observation and other scenes. BRIEF DESCRIPTION OF DRAWINGS

[0012] The application will be further described below in combination with the drawings and embodiments.

[0013] Figure 1 It is an external structure schematic diagram of a portable wide field of view night vision goggles in the embodiments of the application; Figure 2 It is an external structure schematic diagram of Figure 1 ; Figure 3 This is a schematic diagram of the external structure of the battery compartment; Figure 4 This is a schematic diagram of the internal structure of the battery compartment.

[0014] In the diagram: 1. Main body; 2. Display component; 3. Eye mask; 4. Imaging component; 5. Front cover; 6. Objective lens; 7. Low-light CMOS camera; 8. IR fill light; 9. Power switch; 10. Rotary encoder switch; 11. Interface connector; 12. Back cover; 13. Spring contact pin; 14. OLED microdisplay; 15. Main control board; 16. Top cover; 17. Compartment; 18. Bottom cover; 19. Battery; 20. Positive circuit board; 21. Negative circuit board; 22. Locking pin; 23. Socket. Detailed Implementation

[0015] The present invention will now be clearly described with reference to the accompanying drawings and specific embodiments. This description is merely illustrative and is not intended to limit the scope of the invention. Any modifications, equivalent substitutions, or improvements made by those skilled in the art based on the embodiments of the present invention without inventive effort to obtain all other embodiments should be included within the scope of protection of the present invention.

[0016] Example 1 like Figures 1-4 As shown, the present invention provides a portable wide-field-of-view night vision goggles, including a main body 1 and a battery compartment. The main body 1 is connected to the battery compartment via a cable, and the battery compartment supplies power to the main body 1. The main body 1 includes a housing, an imaging component 4, a display component 2, and eyecups 3. A main control board 15 is provided inside the housing. The imaging component 4 includes four objective lenses 6, each of which is connected to a low-light CMOS camera 7. The display component 2 includes four eyepieces, each of which is connected to an OLED microdisplay 14. Two eyecups 3 are provided, each connected to a corresponding eyepiece. The low-light CMOS camera 7 and the OLED microdisplay 14 are both electrically connected to the main control board 15. The four low-light CMOS cameras 7 acquire images and output them through the corresponding objective lens 6. The main control board 15 processes the acquired images and drives the corresponding OLED microdisplay 14 to display them. The four OLED microdisplays 14 form a 120° wide field of view image through the eyepiece.

[0017] The housing includes a front cover 5 and a rear cover 12. Four objective lenses 6 are distributed in pairs on the front cover 5. An IR fill light 8 is provided between the two objective lenses 6 located on the same side of the front cover 5.

[0018] The main body 1 is provided with a power supply switch 9, a rotary encoding switch 10 and an interface connector 11, the power supply switch 9 controls the power-on work of the battery 19 bin to the main body 1, and the rotary encoding switch 10 controls the working state of the IR fill light 8 and the low-illumination CMOS camera 7.

[0019] The rotary encoding switch 10 controls the switch of the IR fill light 8 and the working state of the low-illumination CMOS camera 7 through the I / O port, the switch signal of the rotary encoding switch is input into the main control board 15, the main control board collects the I / O port signal, analyzes it, controls the power supply of the IR fill light through the I / O signal, and communicates with the low-illumination CMOS camera through the RS422 serial port to control the low-illumination CMOS camera The field of view angle of the four eyepieces is 40°*30°, the four eyepieces are a left main mirror, a left auxiliary mirror, a right main mirror and a right auxiliary mirror, the optical path of the left main mirror is parallel to the optical path of the right main mirror, the included angle between the optical path of the left auxiliary mirror and the optical path of the left main mirror is 36°, and the included angle between the optical path of the right auxiliary mirror and the optical path of the right main mirror is 36°; the four OLED micro-displays 14 are optically and physically spliced through the optical system formed by the optical paths of the four eyepieces to realize a 120° wide field of view image. The left main mirror and the right main mirror display images with parallax, so that the human eye has better stereoscopic vision when observing. The left main mirror and the left auxiliary mirror are connected to one eye cover 3, and the right main mirror and the right auxiliary mirror are connected to another eye cover 3.

[0020] The shell is provided with a quick mounting interface, which is convenient for quick connection with other devices (such as a night vision mirror connecting frame of a military helmet) and convenient for disassembly and carrying.

[0021] The main body 1 is connected with the battery 19 bin through a cable to supply power to the night vision goggles. After the portable wide field of view night vision goggles are started, the low-illumination CMOS camera 7 starts to collect images, and the OLED micro-display 14 displays images. When the human eye observes, the focal length of the objective lens 6 can be adjusted through the objective lens 6 hand wheel to make the imaging clearer.

[0022] In the use process, when the image brightness and contrast need to be adjusted, the setting menu can be called out through the rotary encoding switch 10, and the setting option is selected for adjustment.

[0023] When the target needs to be filled with light, the setting menu can be called out through the rotary encoding switch 10, and the setting option is selected to control the switch of the IR fill light 8.

[0024] The night vision glasses have the characteristics of small volume, light weight, convenient carrying, convenient operation, low image delay and low power consumption, high-definition images are collected by the high-resolution low-illumination CMOS camera 7, and then optical physical splicing is carried out to form a 120-degree wide field of view effect, the wide field of view technology can effectively improve the observation field angle of the equipment, is closer to the natural field of view angle of human beings, brings stronger immersion, thereby enhancing the sense of presence in the virtual space, reducing the motion sickness, not easy to feel dizzy, can cover a wider observation range, obtain more information, and is very important for the military field and the like.

[0025] Embodiment 2 As Figures 1-4 shown, on the basis of embodiment 1, the battery compartment mainly comprises a compartment body 17, the upper end of the compartment body 17 is provided with an upper cover 16, the upper cover 16 is detachably connected with the compartment body 17 through locking nails 22, the lower end of the compartment body 17 is provided with a lower cover 18, the upper and lower ends in the compartment body 17 are respectively provided with a positive electrode circuit board 20 and a negative electrode circuit board 21, the compartment body 17 in the positive electrode circuit board 20 and the negative electrode circuit board 21 is provided with a detachable battery 19, the positive electrode circuit board 20 is connected with a spring contact pin 13, and the lower cover 18 is provided with a socket 23. The battery compartment can be installed with 1 to 4 18650 batteries 19.

[0026] The use method of the portable wide field of view night vision glasses provided by the application is as follows: Before use, the 18650 battery is installed in the battery compartment, and the upper cover is locked and fixed through the locking nails, at this time, the battery forms a passage under the action of the spring contact pin, the two ends of the cable are connected on the socket of the battery compartment and the interface connector of the main body respectively, and the battery compartment is powered for the main body.

[0027] When in use, the power supply switch of the main body is pressed for 3 seconds, the main body is powered on and started, when the initialization self-checking is completed, the right main mirror and the left main mirror correspond to the OLED micro display, and the self-checking result is displayed, the self-checking result is normal, the image is normally output, and personnel can observe through the ocular lens.

[0028] The objective lens is provided with a hand wheel, according to needs, the hand wheel of the objective lens can be adjusted, so that the imaging is clearer.

[0029] Short press 1 second rotary encoder switch, right main mirror, left main mirror corresponding OLED micro display display settings menu, through the positive and negative rotation of the rotary encoder switch, can be in the settings menu to select the need to adjust the settings. Brightness options, short press rotary encoder switch, enter the brightness adjustment function, positive and negative rotation of the rotary encoder switch to achieve OLED micro display brightness adjustment, adjustment range is 0%-100%; contrast options, short press rotary encoder switch, enter the contrast adjustment function, positive and negative rotation of the rotary encoder switch to achieve OLED micro display contrast adjustment, adjustment range is 0%-100%; crosshair horizontal adjustment options, short press rotary encoder switch, enter the crosshair horizontal adjustment function, positive and negative rotation of the rotary encoder switch to achieve the function of crosshair horizontal movement, the range of movement is 50 pixels; crosshair vertical adjustment options, short press rotary encoder switch, enter the crosshair vertical adjustment function, positive and negative rotation of the rotary encoder switch to achieve the function of crosshair vertical movement, the range of movement is 50 pixels; IR fill light options, short press rotary encoder switch, IR fill light is turned on, press the rotary encoder switch again, IR fill light is turned off.

[0030] When the night vision observation is completed, long press 3 seconds of power supply switch, the main body is powered off.

[0031] When disassembled, disconnect the cable between the battery compartment and the main body; open the upper cover by rotating the locking nail, remove the 18650 battery, close the upper cover, and lock the upper cover by rotating the locking nail.

[0032] The fill light, rotary encoder switch, low-illumination CMOS camera, power supply switch, OLED micro display, eyeshade, eyepiece, objective lens, etc. in the above implementation examples are all prior art, and the present application does not improve them, but only uses their existing functions; for their specific structure and principle, please refer to the product manual or prior art materials, which will not be described here.

[0033] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. Any modifications, equivalent replacements and improvements, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A portable wide field of view night vision goggle, comprising a main body and a battery compartment, the main body is connected with the battery compartment through a cable, the battery compartment supplies power for the main body, the main body comprises a casing, an imaging assembly, a display assembly and a goggle; characterized in that: The casing is internally provided with a main control board; the imaging assembly comprises objective lenses, and each of the objective lenses is matched with a low-illumination CMOS camera; the display assembly comprises ocular lenses, and each of the ocular lenses is matched with an OLED micro display; the eyecup is connected with the ocular lens; The low-illumination CMOS camera and the OLED micro display are electrically connected with the main control board; four low-illumination CMOS cameras collect images through corresponding objective lenses and output the images, the main control board drives corresponding OLED micro displays to display after processing the collected images, and four OLED micro displays form a 120° wide field of view image through the ocular lenses.

2. A portable wide field of view night vision eyewear according to claim 1, wherein: The casing comprises a front cover and a rear cover, four objective lenses are distributed on the front cover, and an IR fill light is arranged between two objective lenses on the same side of the front cover.

3. A portable wide field of view night vision eyewear according to claim 2, wherein: The main body is provided with a power supply switch, a rotary coding switch and an interface connector, the power supply switch controls the battery compartment to power on the main body, and the rotary coding switch controls the working state of the IR fill light and the low-illumination CMOS camera.

4. A portable wide field of view night vision eyewear according to claim 3, wherein: The rotary coding switch controls the working state of the IR fill light switch and the low-illumination CMOS camera through an I / O port, the switch signal of the rotary coding switch is input into the main control board, the main control board collects the I / O port signal, analyzes the signal, controls the power supply of the IR fill light through the I / O signal, and communicates with the low-illumination CMOS camera through an RS422 serial port to control the low-illumination CMOS camera.

5. The portable wide field of view night vision eyewear of claim 1, wherein: The field of view angle of each of the four ocular lenses is 40°×30°, the four ocular lenses are a left main lens, a left auxiliary lens, a right main lens and a right auxiliary lens, the optical path of the left main lens is parallel to the optical path of the right main lens, the included angle between the optical path of the left auxiliary lens and the optical path of the left main lens is 36°, and the included angle between the optical path of the right auxiliary lens and the optical path of the right main lens is 36°; the four OLED micro displays are optically and physically spliced through the optical system formed by the optical paths of the four ocular lenses to realize a 120° wide field of view image.

6. The portable wide field of view night vision eyewear of claim 1, wherein: The casing is provided with a quick mounting interface.

7. The portable wide field of view night vision eyewear of claim 1, wherein: The battery compartment mainly comprises a compartment body, an upper end of the compartment body is provided with an upper cover, the upper cover is detachably connected with the compartment body through locking nails, a lower end of the compartment body is provided with a lower cover, positive and negative circuit boards are respectively arranged at the upper and lower ends in the compartment body, detachable batteries are arranged in the compartment body of the positive and negative circuit boards, the positive circuit board is connected with a spring contact pin, and a socket is arranged on the lower cover.

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