Red dot and infrared fusion sighting telescope

Abstract

The invention provides a red dot infrared sighting telescope. The red dot infrared sighting telescope comprises a telescope body, an infrared front lens group, a prism group, a white light lens group and a display group, the infrared front lens group is connected to the front end of the lens body, receives the infrared light and displays an infrared image and / or a red dot image on the display group; the display group and the white light lens group are arranged in the lens body, and the white light lens group amplifies an infrared image and / or a red dot image of the display group; the prism group is arranged at the top end of the lens body; a movable shielding part is arranged at the front end of the prism group; a visible light image enters human eyes after passing through the prism group, and whether the visible light image is shielded or not is selected by moving the shielding part; and the infrared image and / or the red dot image are / is reflected into human eyes in the prism group. According to the invention, respective display and fusion display of the white light image, the infrared image and the red dot image are realized, and the method is suitable for various application scenes.

Description

Technical Field

[0001] The invention belongs to the technical field of sights, and in particular relates to a red dot infrared fusion sight. Background Art

[0002] At present, in order to meet the needs of different scenarios, the functions of sights are becoming more and more diverse and their applications are becoming more and more extensive. However, in actual combat, in order to cope with complex and changing combat situations, users usually install red dot sights on their weapons and also carry handheld thermal imaging devices for infrared detection, which is inconvenient to use and carry. Summary of the invention

[0003] The purpose of the present invention is to provide a red dot infrared fusion sight, so as to integrate the functions of red dot aiming and infrared aiming on the same sight, improve the functional integration of the sight, and adapt to different usage scenarios.

[0004] In order to solve the above technical problems, the present invention discloses a red dot infrared sight, comprising: a sight body, an infrared front lens group, a prism group, a white light lens group, and a display group; The infrared front lens group is connected to the front end of the lens body, receives infrared light and displays an infrared image and / or a red dot image on the display group; The display group and the white light lens group are arranged in the mirror body, and the white light lens group amplifies the infrared image and / or the red dot image of the display group; The prism group is arranged at the top of the mirror body, and a movable shielding component is arranged at the front end of the prism group; the visible light image enters the human eye after passing through the prism group, and whether to shield the visible light image is selected by moving the shielding component; the infrared image and / or the red dot image enters the human eye after being reflected in the prism group. According to the above scheme, the infrared front mirror group includes an infrared lens and an infrared movement; the infrared lens receives and amplifies the image and then forms an image on the infrared movement, and the infrared movement performs photoelectric conversion based on the image to generate a control signal for the display group.

[0005] According to the above scheme, the infrared lens includes infrared lens optical components and infrared lens structural components; the infrared lens optical components include a first infrared glass, a second infrared glass, and a third infrared glass arranged in sequence from the object side to the image side; the infrared lens structural components include an objective lens frame, an objective lens pressure ring, a first objective lens spacer, and a second objective lens spacer. The infrared lens optical components are arranged in the objective lens frame and fixed by the objective lens pressure ring. The first objective lens spacer is arranged between the first infrared glass and the second infrared glass, and the second objective lens spacer is arranged between the second infrared glass and the third infrared glass.

[0006] According to the above scheme, the infrared lens structural parts are all surface treated by dark surface oxidation.

[0007] According to the above scheme, the infrared front mirror group includes an aviation plug, which is arranged on the bottom front side of the infrared front mirror group, and its installation direction is the same as that of the mirror body; the aviation plug group includes an aviation socket, an aviation plug cap, a locking nut, and an aviation plug sealing ring. One end of the aviation socket is arranged on the inner side of the mirror body, and the other end protrudes from the mirror body and serves as a connecting port. The aviation plug cap and the aviation socket are fixed to the aviation socket by the locking nut, and the aviation plug sealing ring is arranged between the aviation socket and the mirror body; one end of the aviation plug cap is fixed by the locking nut, and the other end is detachably connected to the outer end of the aviation socket.

[0008] According to the above scheme, the prism group includes a glued prism and a prism pressing ring; the glued prism is arranged in the top of the mirror body and is fixed to the mirror body by the prism pressing ring.

[0009] According to the above scheme, the white light lens group includes white light lens optical components and white light lens structural components; the white light lens optical components include a white light first lens, a white light second lens, a white light third lens, a white light first cemented lens, and a white light second cemented lens arranged in sequence from the object side to the image side; the white light lens structural components include a white light frame, a white light first pressure ring, a white light first spacer, a white light second spacer, a white light second pressure ring, and a white light third spacer; the white light lens optical components are arranged in the white light frame; the white light first pressure ring fixes the white light first lens, the white light second lens, and the white light third lens; the white light second pressure ring fixes the white light first cemented lens and the white light second cemented lens; the white light first spacer is arranged between the white light first lens and the white light second lens; the white light second spacer is arranged between the white light second lens and the white light third lens; and the white light third spacer is arranged between the white light first cemented lens and the white light second cemented lens.

[0010] According to the above scheme, the red dot infrared sight includes a control panel for inputting operating instructions.

[0011] According to the above scheme, the red dot infrared sight includes a power supply group for powering.

[0012] According to the above scheme, the red dot infrared sight includes a quick-lock bracket for connecting the red dot infrared sight and an external device.

[0013] Beneficial effects: The present invention can selectively shield visible light images through the shielding components, and can control the display group to display infrared images and / or red dot images through the infrared front mirror group. The visible light image can be fused with the infrared image and / or red dot image through the prism group, thereby realizing separate display and fused display of different images, being able to adapt to different actual needs and reducing the pressure on users to carry equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side view of the red dot infrared sight according to the third embodiment of the present invention; Figure 2 It is a cross-sectional view of a red dot infrared sight according to Embodiment 3 of the present invention; Figure 3 is a cross-sectional view of an infrared lens according to a first embodiment of the present invention; Figure 4 is a cross-sectional view of a prism assembly according to Embodiment 1 of the present invention; Figure 5 is a cross-sectional view of a white light lens assembly according to Embodiment 1 of the present invention; Figure 6 This is a cross-sectional view of an aerial insertion of the first embodiment of the present invention; Figure 7 is a spot diagram of the optical components of the white light lens according to the first embodiment of the present invention; Figure 8 This is an MTF diagram of the optical component of the white light lens according to the first embodiment of the present invention; Fig. 9 This is a distortion field curvature diagram of the white light lens optical component according to the first embodiment of the present invention; Fig.10 This is a schematic diagram of the structure of the infrared core of the first embodiment of the present invention; Fig.11 This is a working principle diagram of the infrared red dot sight according to the first embodiment of the present invention; Fig.12 This is a system composition diagram of the infrared red dot sight according to the first embodiment of the present invention.

[0015] In the figure: 1-infrared front mirror group, 2-mirror body, 3-quick lock bracket, 4-decorative ring, 5-bottom cover, 6-infrared front mirror group fixing screw, 7-countersunk screw, 8-cylinder head screw, 9-spring washer, 10-power supply group fastening screw, 11-infrared front mirror group sealing ring, 12-infrared lens, 13-infrared movement, 14-aviation plug, 15-prism group, 16-white light lens group, 17-display group, 18-power supply group, 19-first infrared glass, 20-second infrared glass, 21-third infrared glass, 22-screw ring, 23-objective lens frame, 24-objective lens pressure ring, 25-objective lens first spacer, 26-objective lens second Two spacers, 27-sealing gasket, 28-focusing sealing ring, 29-infrared lens sealing ring, 30-glued prism, 31-prism pressure ring, 32-prism pressure ring stop screw, 33-prism pressure ring sealing ring, 34-white light first lens, 35-white light second lens, 36-white light third lens, 37-white light first glued lens, 38-white light second glued lens, 39-white light first pressure ring, 40-white light first spacer, 41-white light second spacer, 42-white light second pressure ring, 43-white light third spacer, 44-white light frame, 45-aviation socket, 46-aviation plug cap, 47-locking nut, 48-aviation plug sealing ring. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0017] Embodiment 1: See also Figure 1 to Figure 6 , this embodiment discloses a red dot infrared sight, comprising: a mirror body 2, an infrared front lens group 1, a prism group 15, a white light lens group 16, and a display group 17; The infrared front lens group 1 is connected to the front end of the lens body 2, receives infrared light and displays an infrared image and / or a red dot image on the display group 17; The display group 17 and the white light lens group 16 are arranged in the mirror body 2, and the white light lens group 16 amplifies the infrared image and / or the red dot image of the display group 17; The prism group 15 is arranged at the top of the mirror body 2, and a movable shielding component is arranged at the front end of the prism group 15; the visible light image enters the human eye after passing through the prism group 15, and whether to shield the visible light image is selected by moving the shielding component; the infrared image and / or the red dot image enters the human eye after being reflected in the prism group 15.

[0018] Furthermore, the infrared front mirror group 1 includes an infrared lens 12 and an infrared core 13 ; the infrared lens 12 receives and amplifies the image and forms an image on the infrared core 13 , and the infrared core 13 performs photoelectric conversion according to the image to generate a control signal for the display group 17 .

[0019] Furthermore, the infrared lens 12 is fixed to the front end of the infrared lens 12 through the decorative ring 4 , and the infrared core 13 is fixed to the rear end of the infrared lens 12 .

[0020] Furthermore, the infrared lens 12 includes an infrared lens 12 optical component and an infrared lens 12 structural component; the infrared lens 12 optical component includes a first infrared glass 19, a second infrared glass 20, and a third infrared glass 21 which are arranged in sequence from the object side to the image side. The three-piece lens structure can reduce the inclination angle of light and reduce the optical sensitivity of the system; the infrared lens 12 structural component includes an objective lens frame 23, an objective lens pressure ring 24, a first objective lens spacer 25, and a second objective lens spacer 26. The infrared lens 12 optical component is arranged in the objective lens frame 23 and fixed by the objective lens pressure ring 24. The first objective lens spacer 25 is arranged between the first infrared glass 19 and the second infrared glass 20. The second objective lens spacer 26 is arranged between the second infrared glass 20 and the third infrared glass 21.

[0021] Furthermore, the optical components of the infrared lens 12 are designed to be athermal, which ensures the stability of the optical axis and enables the target to be seen clearly within a wide temperature range at different distances.

[0022] Furthermore, a screw coil 22 is connected to the outer side of the front end of the objective lens frame 23 .

[0023] Furthermore, the infrared lens 12 structural parts are all surface treated by dark surface oxidation, which can effectively avoid the influence of stray light.

[0024] Furthermore, sealant is poured between the optical parts of the infrared lens 12 and the structural parts of the infrared lens 12, a focusing sealing ring 28 is provided between the objective lens pressure ring 24 and the first infrared glass 19, a sealing gasket 27 is provided between the third infrared glass 21 and the objective lens frame 23, and an infrared lens sealing ring 29 is provided between the objective lens frame 23 and the lens body 2; a nitrogen filling hole is provided on the objective lens frame 23, and the nitrogen filling hole is used to fill nitrogen into the objective lens frame 23 during the sealing experiment and when replenishing nitrogen to keep the inside dry. After the nitrogen filling is completed, the nitrogen filling hole is sealed with a nitrogen filling hole stop screw to prevent mildew from occurring inside the infrared lens 12.

[0025] Furthermore, the infrared front mirror group 1 includes an aviation plug 14, which is arranged at the bottom front side of the infrared front mirror group 1, and its installation direction is the same as that of the mirror body 2, which is conducive to the carrying of the entire sight; the aviation plug 14 group includes an aviation socket 45, an aviation plug cap 46, a locking nut 47, and an aviation plug sealing ring 48. One end of the aviation socket 45 is arranged on the inner side of the mirror body 2, and the other end protrudes from the mirror body 2 and serves as a connecting port. The aviation plug cap 46 and the aviation socket 45 are fixed to the aviation socket 45 by the locking nut 47, and the aviation plug sealing ring 48 is arranged between the aviation socket 45 and the mirror body 2; one end of the aviation plug cap 46 is fixed by the locking nut 47, and the other end is detachably connected to the outer end of the aviation socket 45 (for realizing the protection of the aviation socket 45), realizing the anti-falling of the aviation plug cap 46, and the aviation plug cap 46 adopts a rubber structure, which is conducive to reducing weight.

[0026] Furthermore, the infrared front lens group 1 is fixed to the lens body 2 by an infrared front lens group fixing screw 6, and a spring washer 9 is provided at the infrared front lens group fixing screw 6. The spring washer 9 is used to eliminate the gap and reduce the wear on the infrared front lens group fixing screw 6 during use.

[0027] Furthermore, an infrared front lens group sealing ring 11 is provided at the contact surface between the infrared front lens group 1 and the lens body 2 , thereby ensuring the sealing performance between the infrared front lens group 1 and the lens body 2 .

[0028] Further, see Fig.10The infrared movement 13 includes a signal board, an interface board, and an infrared detector; the interface board is used for data transmission and powering the signal board; the signal board is used to provide power and drive for the infrared detector; the working principle of the infrared movement 13 is as follows: the infrared light signal emitted by the target enters the infrared lens 12 and is imaged on the infrared detector (i.e., the focal plane of the infrared lens 12). After receiving the infrared radiation, the infrared detector converts the infrared radiation light signal into an electrical signal, and then the signal processor inside the infrared detector processes the video signal in the form of an electrical signal through A / D conversion, uniformity correction, blind pixel replacement, gain adjustment, and brightness adjustment conversion. The digital video chip inside the infrared detector converts the processed electrical signal into a digital signal for output, and the output The digital signal is transmitted to the signal board through the DVP. After the signal board receives the digital signal transmitted by the infrared detector, the ISP chip inside the signal board is used to process the digital signal into image data and temperature data. The signal board then transmits the image data to the display group 17 through the interface board for display. In this embodiment, an FPGA processor is used to complete the image processing algorithm. While completing the calculation function, the real-time nature of the image must be guaranteed. At the same time, the FPGA processor is used to manage the power supply of the entire infrared movement 13, power on in an orderly manner, and monitor the voltage in real time to realize the overvoltage and undervoltage protection function of the infrared movement 13. When the infrared movement 13 is not working, based on the design of the zero-power electronic switch, the movement will not consume power even if the battery is always placed inside the movement.

[0029] Furthermore, the prism assembly 15 includes a glued prism 30 and a prism pressing ring 31 ; the glued prism 30 is disposed in the top of the mirror body 2 and is fixed to the mirror body 2 by the prism pressing ring 31 .

[0030] Furthermore, a prism pressing ring sealing ring 33 is provided between the prism pressing ring 31 and the glued prism 30 to enhance the sealing performance.

[0031] Furthermore, the prism pressing ring 31 is fixed to the lens body 2 via a prism pressing ring locking screw 32 to enhance the stability of the glued prism 30 .

[0032] Furthermore, the white light lens group 16 includes white light lens optical components and white light lens structural components; the white light lens optical components include a white light first lens 34, a white light second lens 35, a white light third lens 36, a white light first cemented lens 37, and a white light second cemented lens 38, which are arranged in sequence from the object side to the image side; the white light lens structural components include a white light frame 44, a white light first pressing ring 39, a white light first spacer 40, a white light second spacer 41, a white light second pressing ring 42, and a white light third spacer 43, and the white light lens optical components are arranged in the white light frame 44, and the white light first pressing ring 39 fixes the white light first lens 34, the white light second lens 35, the white light third spacer 43, and the white light lens optical components are arranged in the white light frame 44. The third lens 36, the white light second pressure ring 42 fixes the white light first cemented lens 37 and the white light second cemented lens 38, the white light first spacer ring 40 is arranged between the white light first lens 34 and the white light second lens 35, the white light second spacer ring 41 is arranged between the white light second lens 35 and the white light third lens 36, and the white light third spacer ring 43 is arranged between the white light first cemented lens 37 and the white light second cemented lens 38; the white light lens optical system adopts the structural design of the objective lens, and the single lenses are changed into cemented parts by optimizing the deformed Cooke lens, so as to correct the chromatic aberration of the system while limiting the total length of the system, and ensure clear image quality.

[0033] Furthermore, a white light lens sealing ring is provided between the first white light pressure ring 39 and the first white light lens 34 for sealing the white light lens group 16 .

[0034] Furthermore, the white light lens group 16 is fixed in the mirror body 2 by a positioning ring, and a bottom cover 5 is provided at the bottom end of the mirror body 2 for closing the mounting holes of the white light lens group 16 and the display group 17 .

[0035] For a schematic diagram of the optical parameters of white light lens optics, see Figure 7~Figure 9 .

[0036] Furthermore, the red dot infrared sight also includes a control panel, which is used to input operating instructions.

[0037] The system composition and working principle of each component of the infrared red dot sight of this embodiment are shown in Fig.11 , Fig.12 .

[0038] The red dot infrared sight of this embodiment has multiple usage modes, and its usage methods and principles are as follows: 1) White light aiming mode In this mode, the shielding component of the prism group 15 is in an open state, the infrared front lens group 1 does not work, and the display group 17 displays the scale.

[0039] 2) White light red dot aiming mode In this mode, the shielding component of the prism group 15 is in an open state, the infrared front lens group 1 does not work, and the display group 17 displays a red dot image.

[0040] 3) White light infrared fusion aiming mode In this mode, the shielding component of the prism group 15 is in an open state, the infrared front lens group 1 is working, and the display group 17 displays the infrared image.

[0041] 4) White light infrared red dot fusion aiming mode In this mode, the shielding component of the prism group 15 is in an open state, the infrared front lens group 1 is working, and the display group 17 displays the infrared image and the red dot image.

[0042] 5) Infrared aiming mode In this mode, the shielding components of the prism group 15 are in a closed state, the infrared front lens group 1 is working, and the display group 17 displays the infrared image and the graticule.

[0043] 6) Infrared red dot aiming mode In this mode, the shielding component of the prism group 15 is in a closed state, the infrared front lens group 1 is working, and the display group 17 displays the infrared image and the red dot image.

[0044] The sight combines the functions of an ordinary white light sight, a red dot sight, and an infrared sight. Each function can be enabled separately or simultaneously. The reflection and transmission capabilities of the prism group 15 are used to perform a fusion display in the human eye. It can adapt to complex usage scenarios and reduce the user's carrying burden.

[0045] Embodiment 2: See also Figure 1 , Figure 2 Based on the first embodiment, this embodiment provides a red dot infrared sight, including a quick lock bracket seat 3, which is connected to the bottom end of the mirror body 2 and is used for detachable connection of the red dot infrared sight with other equipment.

[0046] Furthermore, the quick-lock bracket seat 3 is fixed to the mirror body 2 by means of high-strength countersunk screws 7 and cylindrical head screws 8; using two screws with different screw heads to fix the quick-lock bracket seat 3 can ensure that the connection between the quick-lock bracket seat 3 and the mirror body 2 is more firm, more reliable, and more impact-resistant.

[0047] Embodiment three: See also Figure 1 , Figure 2 Based on the second embodiment, this embodiment provides a red dot infrared sight, including a power supply group 18, which is arranged at the rear end of the scope body 2.

[0048] Furthermore, the control panel is arranged on the power supply group 18 .

[0049] Furthermore, the electrodes in the power supply group 18 have an anti-impact shock-absorbing mechanism and an anti-reverse connection mechanical structure; the shock-absorbing mechanism can avoid power failure caused by impact during use, and the anti-reverse connection mechanical structure can avoid circuit failure caused by reverse connection.

[0050] Furthermore, the power supply group 18 is fixed to the mirror body 2 by the power supply group fastening screws 10 , and glue is applied between the power supply group fastening screws 10 and the mirror body 2 for reinforcement.

Claims

1. A red dot infrared sight, characterized in that: include: Mirror body, infrared front mirror group, prism group, white light lens group, display group; The infrared front lens group is connected to the front end of the lens body, receives infrared light and displays an infrared image and / or a red dot image on the display group; The display group and the white light lens group are arranged in the mirror body, and the white light lens group amplifies the infrared image and / or the red dot image of the display group; The prism group is arranged at the top of the mirror body, and a movable shielding component is arranged at the front end of the prism group; the visible light image enters the human eye after passing through the prism group, and whether to shield the visible light image is selected by moving the shielding component; the infrared image and / or the red dot image enters the human eye after being reflected in the prism group.

2. The red dot infrared sight according to claim 1, characterized in that: The infrared front mirror group includes an infrared lens and an infrared movement; the infrared lens receives and amplifies the image and then forms an image on the infrared movement, and the infrared movement performs photoelectric conversion based on the image to generate a control signal for the display group.

3. The red dot infrared sight according to claim 2, characterized in that: The infrared lens includes infrared lens optical components and infrared lens structural components; the infrared lens optical components include a first infrared glass, a second infrared glass, and a third infrared glass which are arranged in sequence from the object side to the image side; the infrared lens structural components include an objective lens frame, an objective lens pressure ring, a first objective lens spacer, and a second objective lens spacer. The infrared lens optical components are arranged in the objective lens frame and fixed by the objective lens pressure ring. The first objective lens spacer is arranged between the first infrared glass and the second infrared glass, and the second objective lens spacer is arranged between the second infrared glass and the third infrared glass.

4. The red dot infrared sight according to claim 3, characterized in that: The infrared lens structural parts are all surface treated by dark surface oxidation.

5. The red dot infrared sight according to claim 1, characterized in that: The infrared front lens group includes an aviation plug, which is arranged on the bottom front side of the infrared front lens group, and its installation direction is the same as that of the lens body; the aviation plug group includes an aviation socket, an aviation plug cap, a locking nut, and an aviation plug sealing ring. One end of the aviation socket is arranged on the inner side of the lens body, and the other end protrudes from the lens body and serves as a connecting port. The aviation plug cap and the aviation socket are fixed to the aviation socket through the locking nut, and the aviation plug sealing ring is arranged between the aviation socket and the lens body; one end of the aviation plug cap is fixed by the locking nut, and the other end is detachably connected to the outer end of the aviation socket.

6. The red dot infrared sight according to claim 1, characterized in that: The prism assembly comprises a glued prism and a prism pressing ring; the glued prism is arranged in the top end of the mirror body and is fixed to the mirror body by the prism pressing ring.

7. The red dot infrared sight according to claim 1, characterized in that: The white light lens group includes white light lens optical components and white light lens structural components; the white light lens optical components include a white light first lens, a white light second lens, a white light third lens, a white light first cemented lens, and a white light second cemented lens, which are arranged in sequence from the object side to the image side; the white light lens structural components include a white light frame, a white light first pressure ring, a white light first spacer, a white light second spacer, a white light second pressure ring, and a white light third spacer; the white light lens optical components are arranged in the white light frame; the white light first pressure ring fixes the white light first lens, the white light second lens, and the white light third lens; the white light second pressure ring fixes the white light first cemented lens and the white light second cemented lens; the white light first spacer is arranged between the white light first lens and the white light second lens; the white light second spacer is arranged between the white light second lens and the white light third lens; and the white light third spacer is arranged between the white light first cemented lens and the white light second cemented lens.

8. The red dot infrared sight according to claim 1, characterized in that: The red dot infrared sight includes a control panel for inputting operating commands.

9. The red dot infrared sight according to claim 1, characterized in that: The red dot infrared sight includes a power supply group for powering.

10. The red dot infrared sight according to claim 1, characterized in that: The red dot infrared sight includes a quick lock bracket for connecting the red dot infrared sight and external devices.

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