RU2255296C2 - Device for set-up of wide-band jamming - Google Patents

Abstract

FIELD: protection of small-sized land and sea civil and military objects from reconnaissance and attack aids of enemy guided and acting in optical and radio-wave bands of wavelengths of electromagnetic radiation by setting-up of wide-band jammings.

SUBSTANCE: the device includes a metal cylindrical body, positioned in which is a section with a useful load of smoking material acting in the optical band of radiation, installed in the longitudinal axis of the body and made in the form of segments forming a hollow central duct, piston with a bursting charge, upper releasable, cover, as well as an electric igniter, propellant charge, retarder located in the bottom of the body and pyrotechnically coupled to the bursting charge. Additionally positioned in the body is section with useful load acting in the radio-wave band of radiation located in a protective shell in the form of metal semi-cylinders and made in the form of a set of disc coil packed in packets positioned in parallel with the longitudinal axis of the section, and radially installed in the section with useful load of smoking material applied onto a flexible base are pushers in the form of supports, whose lower parts are made in the form of a segmental journal fixing the useful load in the axial direction, and made over the entire length of the supports are L-shaped lugs fixing the useful load in the radial direction.

EFFECT: enhanced reliability of protection of small-sized objects both on the land and on the sea against enemy guided missiles with infra-red and radar-sight homing heads.

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Description

The present invention is intended to protect small-sized land and sea civilian (for example, cars, boats, etc.) and military (for example, infantry fighting vehicles, tanks, small-sized vessels, etc.) objects from reconnaissance and attacking means of the enemy, guided and operating in the optical and radio wave wavelength ranges of electromagnetic radiation, by setting wide-range interference.

Currently, vehicles are least protected from enemy guided missiles, guided simultaneously or sequentially by infrared and radar beam.

A device is known (the prospectus of the company “Etienne Lacroix Defense” (France), GALIX13 system, 1994), which is designed to interfere with the tanks in the infrared range of electromagnetic radiation. The system is installed on the tank and contains 6-8 launch tubes (for launching ammunition in one gulp). Each ammunition contains a cylindrical case, closed on top with a dropable cover, and on the bottom - a contact head containing a blowout charge with an electric igniter. The payload is laid out in sections inside the hull.

The known device operates as follows.

By command pulse, an electric igniter is triggered and a volley launch of 6-8 ammunition is performed. As a result, at a given distance, for example, 20 and / or 60 m, in the 120 ° sector on the earth, the formation of instant flashes of infrared radiation and the subsequent placing above the ground of a continuously smoking extended cloud of infrared interference are carried out.

The disadvantages of using the known device are:

1) the impossibility of its use above the water surface, because Once in water, when immersed, the burning payload goes out;

2) it is impossible to set up a jamming cloud of the required size with one munition, which leads to a significant overrun of the payload;

3) the payload is calculated only by infrared radiation and protection from the radar-homing heads of enemy missiles is not provided, which significantly reduces the effectiveness of the protection of objects.

As the closest analogue, the device according to the patent of the Russian Federation 2203475, C1, IPC 7F42B 12/78, publication April 27, 2003 was selected.

The known device includes a metal cylindrical housing in which a section with a payload of smoke-forming material is placed, operating in the optical radiation range mounted along the longitudinal axis of the housing and made in the form of segments forming a hollow central channel, a piston with an expelling charge, an upper resettable cover, and also propelling charge, igniter, moderator, located in the bottom of the body and pyrotechnically associated with knockout charge.

The jamming is as follows.

When the shock mechanism of the grenade launcher is triggered, the initiator capsule is punctured, with the force of fire of which a propelling charge is initiated. Under the influence of the generated gases, the device is ejected from the launcher. A moderator is initiated through the gas channel, which after a certain time ignites the outburst charge and ignites the payload through the hollow central channel. At the same time, from the combustion gases of the expelling charge, the piston begins to move and through the protective shell drops the top cover, scattering the payload and forming an opaque smoke cloud.

The known device has the following disadvantages:

1) it is designed to use only infrared smoke generating payload and does not provide protection against homing radar heads,

2) the small size of the cloud of interference formed by the device in the radial direction (for 2 seconds, approximately 10 × 12 m).

The proposed device allows to eliminate these disadvantages by creating in the atmosphere of a volumetric cloud of wide-range interference.

The problem is solved in that in the proposed device for jamming, including a metal cylindrical body, a payload sectionally located in the body, in the bottom of the body there is an electric igniter, propelling charge, moderator, pyrotechnically related to the expelling charge. The payload of the first section from the knockout charge is a smoke-forming material operating in the optical radiation range. The smoke-forming material is made in the form of segments radially separated by pushers, the latter being made in the form of support posts, the lower part of which has the shape of a segmented heel that fixes the payload in the axial direction, and L-shaped protrusions are made along the length of the support posts, fixing the payload in radial direction. The payload in the form of a set of multiple segments is made of smoke-forming material deposited on a flexible base and placed on the heels of the support posts with the possibility of ignition of the smoke-forming material through the gaps between the L-shaped protrusions of the support posts forming the central hollow channel of the section. In a section with a payload acting in the radio wave range of radiation and made in the form of a set of biscuits from dipole and / or other material, packaged in packs, installed along the longitudinal axis in its cavity, formed by a septum from below, a lid dropped from above, and the outer diameter - a protective shell in the form of metal half-cylinders, and the device is additionally equipped with a piston with an expelling charge, and a partition is installed between the sections.

Sectional placement in the housing of various types of payload, the use of an upper drop-off cover, a piston with a knockout charge, an intersection partition, pushers in the form of support posts with L-shaped protrusions in a section with smoke-forming material, metal half-cylinders in another section - all this allows you to completely save and shoot the payload from the cylindrical body towards the incoming air flow with its maximum separation in the radial direction, thus increasing the volume of the interference cloud in atmosphere, which increases the efficiency of setting and protecting the object with a minimum consumption of payload.

At the same time, performing a payload in the form of a set of many segments of smoke-forming material operating in the optical range of radiation and deposited on a flexible base allows you to put a cloud of interference above the water surface, since the flexible base is made of a floating hydrophobic material, in addition, low speed ( about 4 m / s) reduction of the segments contributes to the combustion of the payload before it falls to the water surface.

The use of a protective shell in the form of two metal half-cylinders in a section with a payload operating in the radio wave radiation range eliminates mechanical damage to the payload and contributes to the completeness of its dispersion in the atmosphere.

Unlike analogues, the introduction of pushers in the form of support posts with a segmented heel and L-shaped protrusions along the entire length of the posts in the section with smoke-generating material, the addition of a section with dipoles and / or other materials laid in a protective shell, as well as the use of a flexible hydrophobic base for smoke-generating material guarantee the setting of a volumetric (20 × 20) m ² cloud of wide-range interference over any underlying surface in real time with a minimum payload consumption on a given section of the tray whoria.

Thus, the proposed device meets the criteria of patentability "inventive step".

We give a detailed description of this device and its sequence of action.

Figure 1 shows a schematic embodiment of the proposed device for jamming.

Photo 1 shows an embodiment of the proposed device.

Photo 2 shows the action of the above device.

The proposed design contains a cylindrical body 1, a cover 2, a bottom 3, a chamber 4, a propellant charge 5, a pyro-retarder 6, a piston 7, a discharge charge 8, an electric igniter 9, a baffle 10, a protective shell 11, pushers 12, a payload of the optical range in the form smoke-forming material 13, the payload of the radio wave range of action 14, the hollow Central channel 15. Moreover, the pushers 12 in the form of support legs include a segmented heel 12.1 and a L-shaped protrusion 12.2.

The housing 1 is bounded on top by a cover 2, and on the bottom by the bottom 3, which serves to attach to the housing 1 of the chamber 4. At the bottom there is a pyro-retarder 6, a piston 7 with an expelling charge 8. The chamber 4 contains a propelling charge 5 and an electric igniter 9. Between the piston 7 and the useful pushers 12 are installed by load 13. Sections with payload 13 and 14 are separated by a partition 10, on which a protective shell in the form of half cylinders 11 rests. Between the pushers 12 and partition 10 in the section with payload 13, a central hollow channel 15 is made.

The proposed design (see attached Photo 1) operates as follows.

When applying an electrical impulse to the electric igniter, the shell of the propellant charge 5 is burned, its composition is ignited, which creates pressure in the cavity of the chamber 4. Under the influence of this pressure, the proposed device is fired from the launcher. At the same time, hot gases of a propelling charge 5 excite a pyro-moderator 6, the force of fire of which after a specified time sets fire to a blow-out charge 8 installed in the piston 7. Hot gases of charge 8 through holes in the piston 7 flow into the central channel 15, formed by segments 13 of smoke-forming material, igniting them. At the same time, under the action of gases, the piston 7 successively presses through the pushers 12 onto the baffle 10, the half-cylinders 11, the cover 2, firing sections with a payload of 13 and 14, which scatters in the oncoming air flow with the formation of a volume cloud operating in the radio wave and optical radiation ranges.

The action described above is confirmed by the above example.

Example

The device was fired (at an angle of about 20 degrees to the horizon) from a standard launcher installed on armored vehicles. At a distance of 50 m aerosol clouds formed, operating in the optical and radio wave radiation ranges. The setting height is about 20 m, the size of the clouds in the radial direction for 2 seconds is 20 × 22 m, which made it possible to block the object's protection sector, equal to about 80 degrees (see attached Photo 2).

Thus, the task is solved, in other words, on a given section of the flight path of the proposed device, the atmosphere is set up in a wide-range jamming cloud of a given size in real time.

Claims (3)

1. A device for jamming, including a metal cylindrical body, in which is placed a section with a payload of smoke-generating material operating in the optical radiation range mounted along the longitudinal axis of the body and made in the form of segments forming a hollow central channel, a piston with an expelling charge, upper resettable lid, as well as an electric igniter, propelling charge, moderator, located in the bottom of the body and pyrotechnically associated with the expelling charge, characterized in that that in the housing there is additionally a section with a payload operating in the radio wave range of radiation, placed in a protective sheath in the form of metal half cylinders and made in the form of a set of biscuits, packaged in packs placed parallel to the longitudinal axis of the section, and in the section with a payload of smoke-forming material applied on a flexible base, pushers are radially mounted in the form of support legs, the lower parts of which are made in the form of a segmented heel, fixing the payload in the axial direction enii, and the entire length of the struts are made T-shaped protrusions, locking the payload in the radial direction. 2. The device according to claim 1, characterized in that the payload made of smoke-generating material is placed on the segmented heels of the support posts with the possibility of ignition of the smoke-forming material in the gaps between the L-shaped protrusions of the support posts. 3. The device according to claim 1, characterized in that the sections with the payload are separated by a partition, and the central hollow channel of the section with smoke-forming material has a pyrotechnic connection with an expelling charge through the holes in the piston.

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