RU2349859C1 - Optoelectronic attachment for optical sight - Google Patents

Abstract

FIELD: weapons and ammunition.

SUBSTANCE: proposed optoelectronic attachment for optical sight comprises objective, casing, coordinate-sensitive receiver of optical radiation, video control device and eyepiece, and features magnification factor equal to unity. Note that it can be bracket-mounted ahead of the optical sight. The attachment is furnished with a support member enveloping its casing and fitted on the bracket to damp blow-back forces. The attachment can be provided with a damper to be mounted on the support element outer surface and with ring-like springs enveloping attachment casing arranged between the optoelectronic attachment casing outer surface and the support element inner surface, the support element representing a hollows cylinder. The attachment is arranged in the hollow cylinder on guides to slide along its lengthwise axis.

EFFECT: protection of fragile components of proposed sight attachment against impact loads.

3 cl, 2 dwg

Description

The invention relates to means of aiming, in particular to optoelectronic sights for small arms.

Known thermal imaging nozzle for an optical sight, containing an infrared channel lens, optically coupled to the input of the infrared image conversion unit into a visible, and a visual channel lens optically coupled to its output, a reflector system mounted in front of the infrared lens and connected with the optical axis of the infrared channel, and also the site of the reticle, and the image of the reticle is combined with the output of the conversion unit and with the optical axis of the visual channel (RU 2207482).

The optical increase in the thermal imaging nozzle is 1, which ensures the parallel direction to the target in the infrared channel lens to the direction to the image of the target in the visual channel lens at any point in the field of view of the nozzle. It is in this case that the errors in joining the thermal imaging nozzle with the optical sight do not lead to aiming errors.

A disadvantage of the known technical solution is the following. At the time of a shot during a charge explosion in the barrel bore, the weapon in general and the sight fixed to the weapon in particular have a strong impact. This effect is especially great for large-caliber sniper rifles (12.7-14.5 mm) with an effective firing range of 1200-1500 m. When using optoelectronic sights on these rifles with optical radiation receivers based on image intensifier tubes, CCDs or uncooled arrays microbolometers with electronic video processing units, due to repeated shock loads, both thin-walled structural elements of optical radiation receivers and their electronic video processing units fail.

The closest in technical essence and the achieved result and chosen for the prototype is a thermal imaging set-top for an optical sight, including a lens, a housing, an infrared matrix, an electronic video processing unit and a video monitoring device and made with the possibility of mounting on arms with an arm in front of the optical sight (prospectus Vectronicx SN).

When using this attachment, it is not hung, as in the previous case, on the optical sight, but is rigidly mounted on the weapon in front of the optical sight, which allows to maintain the accuracy of its installation relative to the barrel of the weapon.

The disadvantage of the prototype is also that due to repeated shock loads at the time of the shot on the optoelectronic set-top box, thin-walled structural elements of the PC matrix, the electronic video processing unit and the video monitoring device, they fail.

The technical result of the invention is protection against shock physical loads of fragile structural elements of an optoelectronic device.

The technical result is achieved in that the optoelectronic attachment to the optical sight, the magnification factor of which is unity, has a lens, a housing, a coordinate-sensitive optical radiation receiver, a video monitoring device and an eyepiece installed in the housing, made with the possibility of mounting on a weapon in front of the optical sight with using the bracket and is optically paired with it.

According to the invention, the optoelectronic prefix further includes a support element that is rigidly fixed to the bracket and encloses its body and is installed in the support element with the possibility of shock absorption and damping of the recoil force.

To solve the problem of depreciation and damping of the recoil force, the optoelectronic prefix can be equipped with a damper mounted on the outer surface of the support element, and ring-shaped springs covering its body, installed between the outer surface of the optoelectronic device casing and the inner surface of the support element, which is made in the form hollow cylinder, while the optoelectronic attachment is installed in the hollow cylinder on the rails with the ability to move along its longitudinal axis.

Optoelectronic prefix can be made with the possibility of installation on weapons in front of the optical sight using a bracket in common with the optical sight seat.

The invention is illustrated by drawings, where

figure 1 shows the optoelectronic attachment, optically paired with an optical sight;

figure 2 shows part of the optoelectronic set-top box on an enlarged scale.

The optical sight using the bracket 1 of the sight is rigidly and stationary mounted on the seat 2 weapons. The optical sight includes a sight sight lens 3, a sight sight housing 4, handwheels 5 for adjusting the position of the sighting net (not shown), a wrapping system (not shown), an eyepiece (not shown) and a rubber eyecup 6.

In front of the optical sight, in a common place with it 2, an optoelectronic attachment optically coupled to it is installed. The optoelectronic prefix can be made on the basis of an image intensifier tube, a CCD matrix, or an infrared matrix. Optoelectronic set-top box is installed using the bracket 7 of the console, which is rigidly attached to the seat 2.

The optical-electronic prefix includes a prefix lens 8, a prefix body 9 installed in the prefix body 9, a coordinate-sensitive receiver of optical radiation 10 and a video monitoring device 11 and a support element made in the form of a hollow cylinder 12. The hollow cylinder 12 is rigidly fixed to the bracket 7 of the console, wherein the optoelectronic attachment is installed in the hollow cylinder 12 with the possibility of shock absorption and damping of the recoil force. Depreciation and damping of the recoil force is carried out using the damper 13 and the ring-shaped covering the housing 9 of the optoelectronic attachment front 14 and rear 15 springs. Damper 13 includes a plate 16 with holes 17 and is mounted on the outer surface of the hollow cylinder 12. The ring-shaped spanning bodies of the optoelectronic set-up front 14 and the rear 15 springs are installed between the outer surface of the case 9 of the optoelectronic set-top box and the inner surface of the hollow cylinder 12. Optoelectronic the prefix has the ability to move along the longitudinal axis of the hollow cylinder 12 on the guides 18, the role of which can be performed by precision machined outer surface of the housing 9 and the inner surface ited hollow barrel 12.

The lens 3 of the optical sight is protected from external illumination by means of an elastic nozzle 19, which covers the optically paired eyepiece 20 of the video monitoring device 11 and the lens 3 of the optical sight.

The invention is used as follows.

In the daytime, in conditions of good visibility, the shooter uses a weapon with a conventional stationary mounted optical sight, for example PSO-1.

To perform aiming in low light conditions, at dusk or at night, there is a need to use optoelectronic sights based on image intensifier tubes, CCD sensors or IR sensors.

When using a circuit that includes a standard optical sight and a removable optical-electronic attachment (based on an image intensifier tube, a CCD matrix, or an infrared matrix) to it, it becomes possible not to remove the shot daylight optical sight from the weapon.

To this end, the optical-electronic set-top box, with the help of the bracket 7, is mounted on the weapon seat 2 in front of the optical sight previously fixed on the same weapon seat 2, so that the elastic nozzle 19 at one end encompasses the eyepiece 20 of the video monitoring device 11 of the optical electronic consoles, and its other end covered the lens 3 of the optical sight. This allows you to protect the lens 3 of the optical sight from external exposure.

In the optical-electronic set-top box, the image of the observed object formed by the set-top box lens 8 when the CCD or microbolometric IR matrix is used as the photosensitive element, the optical radiation receiver 10 forms an image of the observed object in electronic form and transmits it to the video monitoring device 11 for reproduction. From the eyepiece 20 of the video monitoring device 11, the video image enters the lens 3 of the optical sight. Formed by the lens 3 of the optical sight, the video image of the observed object sequentially passes the reticle, wrapping the system and the eyepiece of the optical sight (not shown). Using a rubber eyecup 6 arrows through the eyepiece of the optical sight observes the video image formed using the optoelectronic attachment with the image of the aiming grid superimposed on it. Using this video image, the shooter performs aiming.

At the time of the shot, the weapon and the optoelectronic attachment installed on it are hit by the recoil force. The optoelectronic prefix, together with the elements fixed in it, mounted in the hollow cylinder 12 with the possibility of moving in the direction of its longitudinal axis, remains in place under the action of inertia, compressing the front spring 14. When the compression force of the front spring 14 exceeds the inertia optical-electronic the prefix along the guides 18 begins to move in the direction of moving the weapon, compressing the rear spring 15. Together with the movement of the optoelectronic prefix, the air rigidly connected with it and installed in the volume also moves of the damper 13 of the plate 16. At the same time, air through the holes 17 in the plate 16 flows from one part of the volume of the air damper 13 to another. This dampens the arising oscillatory process.

In the daytime, the optoelectronic prefix is removed from the weapon and it is used with an optical sight fixed to it.

The accuracy of the aiming in this invention is achieved by the fact that the increase of the optoelectronic device is equal to 1, which ensures parallel direction to the target in the lens 8 of the optoelectronic device to the direction of the image in the lens 3 of the optical sight. It is in this case that errors in connecting the optoelectronic set-top box with the optical sight will not lead to aiming errors. In addition, the optoelectronic attachment and the optical sight are mounted and fixed on a common seat 2 of the weapon, which, for example, can be made as guides in the form of a "dovetail" or Picotini straps.

Thus, from the foregoing, the possibility of achieving the technical result stated in the invention is confirmed, namely, the ability to protect fragile structural elements of an optical-electronic sight from shock physical loads.

It should be noted that although only preferred embodiments of the invention were presented and illustrated in the description of the invention, various modifications and changes may be made without affecting the essence and scope of the invention defined by the claims.

The industrial applicability of the invention is determined by the fact that the proposed optoelectronic sight can be manufactured in accordance with the proposed description and drawings based on known components using modern technological equipment and used for its intended purpose.

Claims (3)

1. An optoelectronic attachment to an optical sight, with an optical magnification coefficient equal to one, comprising a lens, a housing, a coordinate-sensitive optical radiation receiver installed in the housing, a video monitoring device, an eyepiece, and an arm and configured to be mounted on a weapon in front of the optical sight with using the bracket and optically coupled to it, characterized in that it is equipped with a support element rigidly fixed to the bracket, covering the console body, with the possibility of shock zatsii and damping efforts recoil. 2. The optoelectronic prefix according to claim 1, characterized in that it is equipped with a damper mounted on the outer surface of the support element, and ring-shaped springs covering its body, installed between the outer surface of the housing and the inner surface of the support element, made in the form of a hollow cylinder, wherein the optoelectronic attachment is mounted on rails with the possibility of movement along the longitudinal axis of the hollow cylinder. 3. The optical-electronic set-top box according to claim 1, characterized in that it is configured to be mounted on a weapon in front of the optical sight using a bracket in a common place with the optical sight.

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