RU2490583C1 - Method and device to damage low-flying targets - Google Patents

Abstract

FIELD: weapons and ammunition.

SUBSTANCE: engineering anti-aircraft mine comprises a contactless target sensor and a directional fragmentation warhead. The method to damage low-flying targets consists in the fact that the mine warhead is actuated using a bistatic radar target sensor. The device for damage of low-flying targets is made in the form of a bistatic radar system made of a spaced radar transmitter and an autonomous Doppler radar receiver. The radar transmitter is installed on the secured object. The autonomous Doppler radar receiver is installed on the area surrounding the object, together with the fragmentation warhead. In another version of design the device warhead is made in the form of an electromagnetic missile. The electromagnetic missile comprises ready fragments of a ferromagnetic material. The area of fragmentation warhead damage is matched with the zone of detection of the autonomous Doppler radar receiver.

EFFECT: higher reliability of damage of various air targets under any meteorological conditions.

4 cl, 1 dwg

Description

The invention relates to ammunition, and more specifically to directional engineering mines and can be used in systems for protecting important objects from air attack equipment (UAVs, cruise missiles, hang gliders, small aircraft) [1].

Known anti-aircraft missile systems designed to destroy air targets. The disadvantage of these technical means is the low efficiency in hitting low-flying targets [2].

The closest in technical essence is the anti-helicopter mine "Temp-20" [3]. It is designed to hit targets with a high-speed strike core at a range of up to 150 m. This anti-helicopter mine detects an air target at a range of up to 1 km using the acoustic system, turns the warhead towards the target and, scanning with an optical multi-frequency passive IR sensor, determines the true direction to the target and the moment of detonation of the warhead.

The disadvantage of this tool is the impossibility of hitting air targets with a low level of their own acoustic radiation (UAVs, small aircraft in planning mode). It is also difficult to detect targets in adverse weather conditions (heavy snow, rain) - due to the large losses of infrared radiation during propagation from the target.

The technical result of the invention is to increase the reliability of destruction of various small air targets in any weather conditions.

The technical result is achieved by the fact that target detection by an engineering mine is carried out using a bistatic radar sensor.

The use of a bistatic target sensor, in comparison with a conventional one-position sensor, provides reliable detection of low-flying targets in any weather conditions. This also significantly increases the reliability of detection of small targets, the design of which uses low-reflecting microwave electromagnetic field materials.

The radar transmitter of the bistatic radar system is located on the protected object. An autonomous Doppler radar receiver of this system is installed on the surrounding area together with a fragmentation warhead.

A probing radar signal reflected from an air target enters an autonomous radar receiver, which triggers an electromagnetic warhead, firing a sheaf of finished ferromagnetic fragments towards this target. Moreover, the detection zone of the radar receiver is coordinated in space with the damage zone of the missile fragmentation warhead.

To increase the secrecy of the work, the operating carrier frequency of the bistatic radar sensor of the target is taken equal to the carrier frequency of the satellite navigation system. This increases the reliability of operation under the influence of electronic warfare.

Fig. 1 shows a block diagram of a device that implements the proposed method for hitting low-flying targets. The device for hitting low-flying targets contains a stationary radar transmitter (1), an autonomous Doppler radar receiver (2), and a fragmentation warhead of a directional destruction (3).

A device for hitting low-flying targets works as follows. The probe radar signal emitted by the transmitter (1), reflected from a low-flying target (4), is received by an autonomous Doppler radar receiver (2). From its output, the control signal triggers the electromagnetic warhead (3), firing the finished ferromagnetic fragments in the direction of the target (4) that hit it.

Information sources

1. G.N. Shcherbakov, Yu.A. Shlykov. Protecting important ground targets from air terrorism. Special equipment, 2007, No. 1, from 17 ... 22.

2. F.K. Neupokoev. Shooting anti-aircraft missiles. M., Military Publishing House of the Ministry of Defense of the USSR, 1980, p. 246 ... 250.

3. O.V. Walecki. Mine weapons. M., "CRAFT", 2009, p. 193, 194.

Claims (4)

1. A method of hitting low-flying targets with an engineering anti-aircraft mine with a non-contact target sensor and a fragmentation warhead for a directional destruction, characterized in that the warhead of the mine is activated using a bistatic target radar sensor. 2. The method according to claim 1, characterized in that the carrier frequency of the bistatic radar sensor of the target is taken equal to the carrier frequency of the satellite navigation system. 3. A device for hitting low-flying targets, comprising a non-contact target sensor and a fragmentation warhead of directional destruction, characterized in that it is made in the form of a bistatic radar system, consisting of a radar transmitter spaced in space located on the protected object, and an autonomous Doppler radar receiver installed in the area surrounding the object, together with fragmentation warhead. 4. A device for hitting low-flying targets, characterized in that the warhead is made in the form of an electromagnetic throwing device containing ready-made fragments of ferromagnetic material, while the zone of destruction of the fragmentation warhead is coordinated with the detection zone of an autonomous Doppler radar receiver.