EP0164732B1 - Dispositif de génération d'un nuage fausse cible, notamment nuage infrarouge - Google Patents

Dispositif de génération d'un nuage fausse cible, notamment nuage infrarouge Download PDF

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Publication number
EP0164732B1
EP0164732B1 EP85107202A EP85107202A EP0164732B1 EP 0164732 B1 EP0164732 B1 EP 0164732B1 EP 85107202 A EP85107202 A EP 85107202A EP 85107202 A EP85107202 A EP 85107202A EP 0164732 B1 EP0164732 B1 EP 0164732B1
Authority
EP
European Patent Office
Prior art keywords
projectile
ignition
cup
throwing
shaped
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85107202A
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German (de)
English (en)
Other versions
EP0164732A1 (fr
Inventor
Wolfgang Badura
Axel Dr. Widera
Gerhard Grau
Kurt Adamek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Buck Werke GmbH and Co
Original Assignee
Buck Chemisch Technische Werke GmbH and Co
Buck Werke GmbH and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Buck Chemisch Technische Werke GmbH and Co, Buck Werke GmbH and Co filed Critical Buck Chemisch Technische Werke GmbH and Co
Priority to AT85107202T priority Critical patent/ATE41513T1/de
Publication of EP0164732A1 publication Critical patent/EP0164732A1/fr
Application granted granted Critical
Publication of EP0164732B1 publication Critical patent/EP0164732B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/145—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances
    • F42B5/15—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances for creating a screening or decoy effect, e.g. using radar chaff or infrared material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
    • F42B4/24—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes characterised by having plural successively-ignited charges

Definitions

  • the invention relates to a device for generating a dummy target cloud, in particular an infrared dummy target cloud, with the aid of projectiles ejected from a launch tube, which are loaded with a throwing means for producing the desired dummy target cloud, in particular a combustible means for generating an infrared dummy target cloud
  • a throwing body is provided within the launch tube, each throwing body is constructed practically identically, and the throwing agent and its own igniter disassembly unit, which passes through each throwing body axially in the center, for disassembling the throwing body, for possibly simultaneously igniting the throwing agent and for distributing the throwing agent to form the respective apparent target cloud has, an ejection chamber provided with an ejection charge cartridge is arranged on the bottom part of each throwing body and each ejection charge cartridge via a separate, electrically actuable ignition line with a common, the lower is assigned to the first missile associated command-controlled ignition distributor head.
  • infrared radiation targets such as ships
  • infrared target clouds are particularly suitable for this purpose, which are formed by firing a missile loaded with a flammable throwing agent, namely so-called pyrotechnic flares, for example from conventional throwing cups, disassembling the throwing body at a certain distance from the target and simultaneously igniting and distributing the burning missile.
  • a flammable throwing agent namely so-called pyrotechnic flares
  • the disturbance measure by forming a single infrared target cloud or several - but not functionally related - dummy target clouds is generally sufficient for smaller targets, such as S-boats, but it has disadvantages and disadvantages for larger targets, namely large ships such as frigates
  • Uncertainty factors in themselves that are at least in part due to the functioning of the infrared guidance seekers of the missiles forming the respective threat.
  • These steering seekers have optics which have relatively large opening angles at the beginning of the so-called search phase, but increasingly decrease in their viewing angle after recognition of the target and as the missile approaches the target, namely after the so-called lock-on.
  • the infrared mock target cloud required for this purpose must therefore be set at a relatively short distance above or next to the target, namely the threatened ship, so that this mock target can still be detected by the optics of the missile's steering seeker head can.
  • a near apparent target is generally sufficient to effectively protect a small target, for example an S-boat, since the center of radiation formed by the target and the apparent target is sufficiently far away from the threatened target and increases as the missile approaches shifts to the apparent goal.
  • this known decoy system has the disadvantage that it does not have the high level of handling safety desired in its laboratory as well as in the finished state, and that when it is used, it also damages the actually to be protected as a result of the relatively large bricks that result therefrom Can lead. Furthermore, this decoy system is also relatively complicated, since it does not consist of largely the same components in every respect, and it also does not make it possible to close the individual daughter bodies in an emergency as a whole and coherent block.
  • the object of the invention is to create a new device for generating a dummy target cloud, in particular an infrared dummy target cloud, which does not have the disadvantages of the known decoy system and which Above all, it is characterized by the fact that, as a result of a combination of a mechanical securing element designed and constructed in a certain way, a certain structure of the individual throwing bodies and a certain design and arrangement of the ejection chambers connecting the individual throwing bodies, they have a high level of handling safety in their manufacture Condition and when applied.
  • Such a device due to their special structure and mode of action, they should be able to fire several missiles in a targeted manner from the threatened target, in particular from ships, and especially from larger ships, in such a way that one of the first is formed Infrared illusion target cloud propagating chain of successive further new infrared illusion target clouds is created, thus forming an illusion target that is constantly moving away from the endangered target.
  • such a device should be designed to save space and weight, consist of a few, largely identical components and, when used, only be broken down into relatively small fragments which do not damage the target to be protected.
  • this facility should be able to be shot down as an entire, contiguous block in emergencies, without endangering the target to be protected.
  • the individual fictitious targets should, if desired, always be able to be formed in the same place, so that either a longer-burning and stopping fake target results or a less long-burning but larger-scale fake target results.
  • the stack-like structure of the individual throwing bodies arranged in the launch tube of the device according to the invention has the advantage that the pressure and impact load on the launch tube is greatly reduced. This enables the use of a relatively thin and light-walled launch tube.
  • the individual throwing bodies required for its construction are first labored in such a way that each throwing body contains the cup-shaped cover on the end face, while the cup-shaped bottom is arranged on the bottom part of the same throwing body, in whose eccentric bore the ejection charge cartridge is inserted from below only after the entire throwing body has been completely laboratoryized can.
  • the detonator arranged on the base part of such a throwing body in the chamber of the cup-shaped lid can therefore also be incorporated, including its securing element and all other components, such as a delay element, igniter disassembly unit and throwing means, before the individual finished throwing bodies after the final introduction of the ejection charge cartridge only need to be stacked on top of each other in a final work step. All this together thus results in a very substantial increase in the handling safety of the device according to the invention in its manufacture and also in its use.
  • the arrangement of the throwing agent in the thin-walled inner container made of aluminum enables easy gas-tight crimping of this container with a likewise thin-walled can lid made of aluminum.
  • the thick-walled outer container arranged around gives the respective throwing body and the arrangement of several such throwing bodies a high strength against the loads occurring during firing, the grooves in the outer casing of the outer container fulfilling an advantageous double function, namely the possibility of accommodating the necessary ignition leads and the Simultaneous embodiment of predetermined breaking points, at which this thick-walled outer container can then be dismantled more easily.
  • no large fragments are formed in such a disassembly, but rather a large all-round distribution of smaller fragments takes place at a correspondingly low speed.
  • Another advantage of the device according to the invention is that in emergency situations only the lowest throwing body assigned to the command-controlled ignition distributor head can be ignited.
  • the entire structure of the individual throwing bodies can be fired from the launch tube without any potentially dangerous ignition of the ejection charges present in the other throwing bodies or actuation of their detonators with initiation of the igniter charge, since the individual throwing bodies are not separated from one another but instead be ejected together as a stack. Thus, only the lowest throwing body is dismantled, while the remaining throwing bodies simply fall into the sea, for example, without having functioned.
  • This specially designed security system is associated with a number of very important advantages.
  • One of the main advantages of using a single launch tube in accordance with the invention, in which all projectiles to be fired are arranged, is that this results in an increasingly longer guidance in the launch tube in the amount of firing of the individual missiles.
  • the accuracy and the flight range of the missiles shot later increases, so that the relatively cleanly aligned straight line required for the formation of the propagating chain of successive further infrared target clouds results.
  • Due to the longer acceleration distance the increase in the amount of ejection charge that would otherwise be necessary for the larger firing distances is also absorbed to a not inconsiderable extent. Overall, this in turn leads to a reduction in recoil and the associated load on the weapon.
  • the subsequent new infrared target cloud must be formed in a time sequence and the corresponding throwing body must therefore be fired in a time sequence. that there is a burning time overlap of approximately 1 to 2 seconds with the respective previously formed infrared target cloud. Longer overlap times do no harm. As a rule, however, two thirds of the burning time of the individual dummy target clouds should not be exceeded, because otherwise more than three clouds will shine at the same time, thus blurring the impression of the target target migrating away. This also applies analogously to the pending target cloud. However, this apparent target cloud is only a secondary requirement of the object on which the present invention is based, for the realization of which only the respective output charge quantities and the delay times of the delay pieces have to be changed, so that it does not need to be discussed in more detail.
  • the optimal burning time and thus the service life of a single target is between 9 and 15 seconds.
  • the firing time of the throwing medium must therefore be at least 9 seconds and should not exceed 15 seconds.
  • its rate of descent must be very low, because otherwise the distance to the next cloud may be so great that the subsequent cloud is no longer detected by the infrared guidance seeker or at least the two clouds are so far apart that they no longer represent a uniform apparent target.
  • the carrier material of these leaflets can be a plastic film, a metal foil, such as an aluminum foil, or paper, paper being preferred as the carrier material.
  • the weight per unit area of the carrier material expediently ranges up to about 60 g / m 2.
  • the ready-to-use, namely coated with fire paste can have a weight per unit area of up to about 400 g / m 2 .
  • such leaflets Compared to a strip-shaped throwing agent, such leaflets generally have the advantage that, owing to their larger surface area, they float better and therefore sink only slowly.
  • these are circular sector-shaped leaflets, in particular leaflets in the form of a circular sector with an angle of approximately 120 °.
  • leaflets can be arranged radially in the respective throwing body around a central igniter disassembly unit, which makes it quick and uniform. Ignition of the flammable throwing agent ensures and at the same time the desired clean disassembly of the throwing body results in the formation of a practically spherical infrared target cloud.
  • a combustible sausage agent composed and constructed in this way in the form of circular sector-shaped leaflets has the desired long burning time of, for example, between about 9 and 15 seconds.
  • the circular sector-shaped leaflets used as throwing means form a circular area connected by connecting webs. Such leaflets are then easier to stack and also offer very easily ignitable places on their webs.
  • the time sequence in which the individual missiles are fired from the single launch tube and disassembled while igniting and distributing the missile contained therein depends on the speed and distance of the missile to be deflected, the size, direction and speed of the object to be protected and the burning time and thus the duration of protection of the respective infrared target cloud.
  • this time sequence is chosen such that a new, new, infrared target cloud is formed at the earliest every 3 and at the latest, every 13 seconds as part of the propagating chain of new infrared target clouds. In exceptional cases, however, a shorter time sequence is possible, for example down to a second or less.
  • This launch tube 1 is a relatively thin-walled tube made of aluminum, which normally has a wall thickness of approximately 1.5 to 2 mm.
  • the projectile C present in the launch tube 1 consists of a thick-walled outer container 2 and a thin-walled, can-shaped inner container 3 which is surrounded by this outer container 2.
  • Both outer container 2 and inner container 3 consist entirely of aluminum, the former usually having a wall thickness of about 1.5 to Has 2 mm and the latter has a wall thickness of about 0.2 to 0.4 mm. Both containers are preferably drawn aluminum can bodies.
  • axially parallel grooves 4 are arranged, which serve to receive ignition lines 5 and at the same time represent predetermined breaking points for the disassembly of the respective outer container 2.
  • the number of these grooves 4 therefore corresponds to the number of throwing bodies present in one launch tube 1 minus one throwing body, since the throwing body located directly on a command-controlled ignition distributor head is supplied directly with the required and associated ignition line 5 thereof.
  • the further ignition lines for the other throwing bodies must be fed via the respective grooves 4 in the outer lateral surfaces of the individual outer containers 2 of the individual throwing bodies.
  • the launch tube of which is loaded with, for example, seven throwing bodies, namely with throwing bodies A, B, C, D, E, F and G, there are therefore a total of six axially parallel grooves 4 in the outer lateral surface of the individual outer containers 2.
  • the individual ignition lines 5 each end helically offset by an angle of 60 °.
  • the inner container 3 is sealed gas-tight by a flange 6 with a can lid 7, which is also thin-walled and made of aluminum.
  • an ignition disassembly unit 10 In the reinforced base 8 of the inner container 3 there is a central bore 9, into which an ignition disassembly unit 10 is inserted, which practically penetrates the interior of the inner container 3 up to the can lid 7.
  • This ignition disassembly unit 10 consists in detail of a fitting 11 inserted tightly into the bore 9, to which a thin-walled aluminum sleeve 12 is flanged, which is closed by an aluminum cap 13 at its end facing the can lid 7.
  • a delay element 14 Arranged in the interior of the adapter 11 of the ignition disassembly unit 10 is a delay element 14 which is operatively connected to an ignition core 15 which runs centrally through the aluminum sleeve 12.
  • the ignition liner 15 is surrounded by an ignition disassembly set 16, which fills the entire remaining interior of the aluminum sleeve 12 and is closed off by a plastic plug 17 in the area of the aluminum cap 13.
  • a throwing means 18 completely filling this interior is arranged around the igniter disassembly unit 10.
  • this throwing means 18 is a combustible throwing means 18 for generating an infrared shining target cloud.
  • This throwing means 18 represents a stack of circular sector-shaped thin leaflets 18 arranged radially around the igniter disassembly unit 10 and having the shape of circular sectors with an angle of approximately 120 °, which are possibly held together by connecting webs and thus a connected one via these connecting webs Form a circular area.
  • the outer container 2 of the throwing body C is closed at the head end by a cup-shaped cover 21 which is connected to the casing of the outer container 2 by means of screws 22. If necessary, this connection can also be just a simple plug-in connection or adhesive connection.
  • An insulating disk 23 made of plastic is arranged between the can lid 7 of the inner container 3 and the cup-shaped lid 21 of the outer container 2. It serves to compensate for dimensional tolerances and to ensure that the inner container 3 is firmly seated in the outer container 2.
  • this edge is provided with threaded pins 24, via which a cup-shaped bottom 25 of the downstream throwing body B is connected to be sheared off.
  • the set screws 24 located in the edge of the cup-shaped cover 21 engage in an annular groove 26 of the cup-shaped bottom 25 of the downstream throwing body B, so that the cup-shaped cover 21 of the throwing body C together with the cup-shaped bottom 25 of the downstream throwing body B an ejection chamber 27 forms, which is opened under the pressure of the combustion gases generated by an exhaust charge 29 by shearing off the threaded pins 24.
  • the one Ejection charge cartridge 28 ejection charge 29 is ignited via an ignition line 5, which cannot be seen here and which is guided in a groove 4, likewise not shown here, via the command-controlled ignition distributor head of the device according to the invention.
  • the cup-shaped bottom 25 of the throwing body B is fastened via its flange 31 by means of screws 32 to the reinforced bottom part 33 of the outer container 2 of the throwing body B.
  • a guide plate 35 fastened by means of screws 34 is arranged, in which a securing element 36 is rotatably held, which engages through the casing of the outer container 2 at a bore therein and with a spring-loaded securing head of an underlying detonator in Connection is established.
  • the securing element 36 has a guide groove 37 into which a locking pin 38 engages fixed in the edge of the cup-shaped cover 21 of the upstream throwing body C or of the throwing body D upstream of it.
  • the guide groove 37 of the securing element 36 merges into an unlocking groove 39 passing through the outer jacket of the securing element 36, by means of which the securing element 36 can be unlocked by turning until the locking pins 38 engage in the unlocking groove 39.
  • an adjusting notch 40 is provided on the head of the securing element 36.
  • the reinforced bottom part 33 of the outer container 2 of the throwing body C has a central bore 45, through which a striker 47 fixed to the bottom part 33 by means of screws 46 is in operative connection with the delay piece 14.
  • An annular groove 48 in which an O-ring 49 is guided, is arranged on the outer jacket of the base part 33.
  • This O-ring 49 fulfills two functions. It serves to seal the throwing body C (and also the other throwing body) in the launch tube 1 and to hold the ignition leads 5 in the grooves 4.
  • the cup-shaped bottom 25 is further arranged, which is fastened to it via its flange 31 by means of screws 32.
  • the chamber 50 formed by the bottom part 33 and the cup-shaped bottom 25 serves on the one hand to receive the percussion fuse 47 and on the other hand to partially accommodate the ejection charge cartridge 28.
  • the blow detonator 47 is a conventional blow detonator, which is brought into ignition function only by a combination of an unlocking of the securing element 36 and a simultaneous unlocking of a further fuse which takes place due to the acceleration of the respective throwing body. It consists of a plastic housing 53 in which there is an ignition capsule 54 which is operatively connected to the delay piece 14 and which can be actuated by means of a spring-loaded firing pin 55 with a pin spring 52. The firing pin 55 is secured and unlockable by means of a safety chain which is conventional per se.
  • This securing chain consists of a double-secured slide 56, the first securing of which consists of a spring-loaded securing member connected to the slider 56, consisting of a release spring 57 and a securing cap 58, while the second securing is a spring-loaded securing member which responds only to acceleration and which consists of a weight spring 59, a weight 63 and a spring pin 64 guided in the slide 56.
  • the spring-loaded securing member is connected to the securing element 36, which passes through a bore 65 located in the jacket of the cup-shaped bottom 25 and is guided by the guide plate 35 fastened on its jacket surface.
  • the securing element 36 is held in one position by the locking pin 38 located in its guide groove 37, which is fixed in the edge of the cup-shaped cover 21 of the upstream throwing body D, and the other time by the launch tube 1.
  • the locking pin 38 remains on the cup-shaped cover 21 and thus gives the guide groove 3 "of the securing element which forms the first fuse 36.
  • the securing element 36 is only released from its position forming the second securing means when the securing element 36 leaves the launch tube 1, so that the release spring 57 of the securing cap 58 connected to the slide 56 can be released Unlocking the slide 56 by means of the additional securing member consisting of weight spring 56, weight 63 and spring pin 64 responding to acceleration then results in a displacement of the slide 56 with the release of the spring-loaded firing pin 55.
  • the ejection charge cartridge 28 is arranged, which is guided through a bore located in the bottom of the cup-shaped bottom 25 and thereby engages in the ejection chamber 27 formed by this cup-shaped bottom 25 of the throwing body C and the cup-shaped cover 21 of the preceding throwing body D.
  • the exact design and arrangement of the ejection charge cartridge can be seen from FIGS. 2 and 3.
  • FIG. 2 shows in detail the launch tube 1 with a throwing body G arranged therein, which is shown only partially.
  • This throwing body G is constructed in exactly the same way as the throwing body C described in detail above in FIG. 1.
  • the central bore 9 is arranged, into which the ignition disassembly unit 10 is inserted, from which the adapter 11 with the aluminum sleeve 12, the delay piece 14, the ignition core 15 and the ignition disassembly set 16 can be seen.
  • the throwing means 18 is arranged in the interior of the inner container 3.
  • the cup-shaped bottom 25 is arranged on the reinforced bottom part 33 of the outer container 2 and fastened to it via its flange 31 by means of the screws 32.
  • the percussion fuse 47 of which only the plastic housing 53, the ignition dome 54, the firing pin 55 and the pin spring 52 can be seen.
  • the annular groove 48 in which the O-ring 49 is guided, is arranged on the outer jacket of the base part 33. Furthermore, the central bore 45 can be seen in the base part 33, into which part of the percussion fuse 47 engages.
  • the annular groove 26 can be seen, on which a cup-shaped cover 66, which largely corresponds to the cup-shaped cover 21 described in FIG. 1, is fixed so that it can be sheared off by means of the threaded pins 24.
  • the cover 66 is fixedly connected via screws 67 to an intermediate cover 68, which already forms part of the command-controlled ignition distributor head 69.
  • the ejection charge cartridge 28 In the ejection chamber 27 formed by the cup-shaped bottom 25 and by the cup-shaped cover 66 there is the ejection charge cartridge 28, which engages through a bore 75 arranged in the bottom of the cup-shaped bottom 25 into the space 50 formed by the cup-shaped bottom 25 and the bottom part 33 of the outer container 2 and enforced this.
  • a guide sleeve 76 is arranged in the bore 75, which extends to the bottom part 33 of the outer container 3 and engages in a radial recess provided therein.
  • a connector insert 77 is arranged in the end of the guide sleeve 76 facing the bottom part 33, in which a primer 78 is centrally fixed, which is connected via the ignition line 5 and a plug coupling 79 to the associated ignition line 5 coming from the distributor head 69.
  • the ejection charge cartridge 28 consists of a thin-walled aluminum can 80 with an annular chamber base 81 for receiving the squib 78 and of the ejection charge 29 arranged in the interior of the aluminum can 80.
  • the ejection charge 29 is closed on the chamber bottom 81 opposite the squib 78 with a conventional ignition window cover 82.
  • the command-controlled ignition distributor head 69 consists in particular of the intermediate cover 68 and a cup-shaped armature flange 84 connected thereto by means of screws 83, in the central bore 85 of which a plastic cable harness 86 is arranged in a sealed manner via an O-ring 87.
  • This wiring harness 86 has not visible grooves for guiding and distributing the ignition lines 5 for the individual throwing bodies.
  • the support ring 88 resting on a shoulder of the anchor flange 84 serves to connect the launch tube 1 to the ignition distributor head 69, and this support ring 88 is firmly connected to the launch tube 1 via a weld seam 89.
  • the support ring 88 is fastened to the anchor flange 84 via a base ring 90 by means of screws 91 and sealed by an O-ring 92.
  • This base ring 90 also serves to fasten other conventional components of the ignition distributor head 69, which are not described in greater detail here.
  • Fig. 3 shows in detail the launch tube 1 with the throwing body A arranged therein and only partially shown throwing body B.
  • the throwing body A is constructed in exactly the same way as the throwing body C described above in FIG. 1, with the exception that the cup-shaped one arranged at the top here Lid 95 has no set screws 24 because, in contrast to the cup-shaped cover 21 of all upstream throwing bodies, it no longer has to be connected to the cup-shaped bottom 25 of a downstream throwing body.
  • the cup-shaped cover 95 is adjoined by a further insulating disk 94 arranged in between, an end cover 96, which is sealed off from the launch tube 1 by an O-ring 97 and fixed in a suitable manner.
  • the head end of the device according to the invention is formed by a support rod 98 fixed in the launch tube 1.
  • the throwing body A consists of the thick-walled outer container 2 and the thin-walled can-shaped inner container 3 enclosed by it.
  • the axially parallel grooves 4 are arranged in the outer lateral surface of the outer container 2, in which, however, no ignition leads 5 are guided, since this throwing body A is no further throwing body more will follow.
  • the igniter-disassembly unit 10 of which only the aluminum sleeve 12, the igniter core 15, the igniter disassembly set 16, the aluminum cap 13 and the plastic plug 17 can be seen.
  • the inner container 3 of the throwing body is sealed gas-tight via the flange 6 by the base cover 7, which is followed by the insulating disk 23 arranged between it and the cup-shaped cover 95.
  • the entire remaining space of the inner container 3 is filled with the circular sector-shaped combustible throwing means 18.
  • the annular groove 48 is present, in which the O-ring 49 is guided.
  • the cup-shaped bottom 25 is further fastened via its flange 31 by means of the screws 32.
  • the outer lateral surface of the bottom 25 carries the guide plate 35 fastened thereon with the screws 34; in its central bore, the securing element 36, which engages in a corresponding bore in the jacket of the cup-shaped base 25, is arranged.
  • the securing element 36 has the adjusting notch 40, the unlocking groove 39 and the guide groove 37, into which the locking pin 38 which is stuck in the edge of the cup-shaped cover 21 engages.
  • Bores 93 are arranged in the jacket of the outer container B (and also of the other outer containers), which serve to receive the screws 22 (not shown here).
  • the ejection charge cartridge 28 which is constructed and connected to the ignition line 5, as has already been described above for FIG. 2. A detailed description of the additional components in this regard can therefore be dispensed with.
  • FIG. 4 A detailed description of FIG. 4 is superfluous, since it only shows an overall view of the device according to the invention, including the sections already described in FIGS. 1, 2 and 3.
  • the essential components of this device are the command-controlled ignition distributor head 69, the launch tube 1 and the seven throwing bodies A, B, C, D, E, F and G arranged therein. All individual components of this device are derived from the above description of FIG. 1, 2 and 3.
  • the device according to the invention for generating a dummy target cloud preferably contains a total of seven projectiles (A, B, C, D, E, F and G) in its launch tube, the ejection charge of which is located in the respective ejection charge cartridge so that during the successive firing of the projectile located in the launch tube with a suitable time offset and disassembly of the projectile, ignition and distribution of the projectile contained therein, starting from the infrared apparent target cloud formed by the first projectile (projectile A), the desired, different from the previous one Apparent target cloud propagating chain of successive further new infrared apparent target clouds results in a total apparent appearance that is constantly moving away from the threatened target.
  • projectile A projectile A
  • the series of individual projectiles contained in the launch tube is therefore to be fired to form flight parabolas which ensure the successful formation of the desired mock target, so that the individual projectiles are fired at increasingly long distances, taking into account the speed of travel of the respective target, namely a ship Need to become.
  • This can be achieved by various measures which are known per se to the person skilled in the art and is achieved in the device according to the invention preferably by an increasing amount of ejection charge in the ejection charge cartridges in the individual projectiles located in the ejection charge cartridges. Irrespective of this or in parallel to this, the disassembly of the individual throwing bodies in the desired sequence and distance can also be regulated by the delay times which are inherent in the respective delay pieces.
  • the delay time of the individual delay pieces in the same direction is usually increased at the same time, since that at the mouth of the The projectile located on the launch tube must be disassembled after a shorter distance and a shorter time than the projectile located on the foot part of the launch tube.
  • the need to form the desired moving mock target cloud to shoot the individual throwing bodies at an increasingly greater distance and to have to disassemble there is therefore generally taken into account by increasing the amount of the discharge charge and the delay time of the ignition delay pieces.
  • the acceleration path in the launch tube which becomes longer and longer from throwing body to throwing body, has a favorable effect insofar as a not inconsiderable increase in the otherwise necessary increase in the amount of ejection charge can be absorbed.
  • the amount of ejection charge in the respective ejection charge cartridge of the individual throwing bodies can in the device shown in the drawing starting from the first throwing body, namely the throwing body A, and ending at the seventh throwing body, namely the throwing body G, have, for example, the following values in g: 7, 5, 6.5, 7.5, 8.0, 8.5, 9.0, and 9.5.
  • the associated delay times of the individual delay pieces are then, for example, as follows: 1.9 s, 2.1 s, 2.8 s, 3.2 s, 3.8 s, 4.2 s and 4.7 s. Based on these two series, analog series can then be determined for higher or lower amounts of exhaust charge or longer or shorter times. With the specified series of discharge charge quantities and delay times of the individual delay pieces, for example, apparent target clouds can be formed by means of the device according to the invention shown in the drawing, which are gradually increasing from about 40 m to about 200 m away from the respective threatened target, namely, for example, a larger ship .
  • the entire firing process is of course command-controlled via an ignition distributor head depending on the data determined and entered by the associated computer system.
  • the squib present therein is initiated and then the ejection charge located in the associated ejection charge cartridge is ignited.
  • the resulting gases then escape by tearing the discharge charge cartridge into the discharge chamber and then lead by shearing off the threaded pins connecting the cover and the bottom of this discharge chamber to an opening of the discharge chamber and a discharge of the throwing body A from the mouth of the launch tube.
  • the locking pin located in the guide groove of the securing element of the throwing body A releases the mechanical locking of this securing element, since the locking pin in the Edge of the cup-shaped bottom of the downstream throwing body remains fixed.
  • the security element is then held in the securing position until it is completely released after leaving the mouth of the launch tube by the spring of the percussion igniter acting on this securing element, so that the percussion fuse is then unlocked under the additional influence of the acceleration of the throwing body A and comes into operation.
  • the fuel assembly of the delay piece downstream of it After the reaction of which finally ignites the igniter charge in the igniter disassembly unit.
  • the gases which develop in this way lead to an opening of the aluminum sleeve of this ignition disassembly unit and a subsequent ignition of the combustible throwing means arranged around it in the form of the combustible circular sector-shaped leaflets.
  • the thin-walled inner container and the thick-walled outer container are dismantled, the easier dismantling of which is supported by the axially parallel grooves in its outer surface, which otherwise also serve to accommodate the individual ignition lines.
  • the combustible infrared target cloud formed by dismantling the two containers after igniting the throwing agent located therein is largely spherical and only slowly sinks downward.
  • a second infrared target cloud is then formed in an analogous manner in the immediate vicinity of the first infrared target cloud by firing the projectile B, and this process is continued until the last projectile is fired from the launch tube, namely the Throwing body G.
  • the infrared sham target cloud formed by the last throwing body is then already relatively far away from the threatened target in the propagating chain of successive infrared sham target clouds, in which the respective previously formed sham target clouds have largely disappeared Did the desired sham goal, which is constantly moving away from this goal, was formed. As a result of this relatively long distance from the last-formed infrared target cloud, there is practically no longer any danger for the originally threatened ship due to the missile originally aimed at it.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Toys (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Traffic Control Systems (AREA)
  • Radiation Pyrometers (AREA)
  • Air Bags (AREA)
  • Radiation-Therapy Devices (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Physical Water Treatments (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Optical Filters (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Electromechanical Clocks (AREA)

Claims (12)

1. Dispositif pour la création d'un nuage de leurre, en particulier d'un nuage de leurre dans l'infrarouge, à l'aide de projectiles (A, B, C, D, E, F, G) éjectés hors d'un tube de lancement (1), qui sont chargés d'un moyen de lancement pour la création du nuage souhaité de leurre, en particulier d'un moyen de lancement (18) combustible pour la création d'un nuage de leurre dans l'infrarouge, plusieurs projectiles (A, B, C, D, E, F, G) étant disposés à l'intérieur du tube de lancement, chaque projectile (A, B, C, D, E, F, G) présentant une structure pratiquement identique et comprenant le moyen de lancement (18) ainsi qu'une unité propre (10) de fractionnement d'allumage, qui traverse axialement en son milieu chaque projectile (A, B, C, D, E, F, G) en vue du fractionnement du projectile (A, B, C, D, E, F, G), de l'allumage simultané éventuel du moyen de lancement (18) et de la division du moyen de lancement (18) lors de la création du nuage correspondant de leurre, une chambre (27) d'éjection, contenant une cartouche (28) de charge d'éjection, étant disposée au fond (33) de chacun des projectiles (A, B, C, D, E, F, G) et chaque cartouche (28) de charge d'éjection étant reliée à une tête (68) télécommandée de répartition d'allumage par un circuit (5) d'allumage séparé actionnable électriquement, qui est disposé sur le projectile inférieur G, caractérisé en ce que
a) chaque projectile (A, B, C, D, E, F, G) présente, sur son fond (33) une amorce séparée (47) à percussion pour l'unité (10) de fractionnement d'allumage, actionnable par libération mécanique de son organe de sécurité (36) et dont l'organe (36) de sécurité n'est libéré qu'après allumage de la cartouche (28) de charge d'éjection correspondante lors de l'ouverture de la chambre d'éjection (27) correspondante et après abandon du tube (1) de lancement ainsi que par accélération du projectile correspondant (A, B, C, D, E, F, G), et
b) chaque projectile (A, B, C, D, E, F, G) comporte un conteneur intérieur (3) en forme de boîtier à parois minces qui contient de façon étanche le moyen de lancement (18) et un conteneur extérieur (2) à parois épaisses enfermant totalement ce conteneur intérieur (3) et au fond (33) duquel l'amorce (47) à percussion est fixée, et un fond (25) en forme de cuvette comportant une bride (31) périphérique est disposé, ce fond (25) étant relié par des tiges filetées (24) à un couvercle (21) en forme de cuvette pour constituer la chambre (27) d'éjection.
2. Dispositif selon la revendication 1, caractérisé en ce que sont respectivement amenés sur le projectile le fond (25) en forme de cuvette, sur le côté fond, et le couvercle (21) en forme de cuvette, sur le côté frontal, de sorte que, dans l'empilement fini de projectiles, les chambres de projection (27) sont chaque fois constituées par deux projectiles voisins.
3. Dispositif selon la revendication 1, caractérisé en ce que tant le conteneur intérieur (3) que le conteneur extérieur (3) sont des corps en forme de boîtes en aluminium embouti.
4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le conteneur intérieur (3) est, sur son côté frontal, serti de façon étanche aux gaz par un bordage (6) avec un couvercle (7) de boîte.
5. Dispositif selon l'une des revendications précédentes. caractérisé en ce que le conteneur extérieur (2) présente, sur sa surface extérieure d'enveloppe, des rainures (4) parallèles à son axe pour recevoir des circuits (5) d'allumage.
6. Dispositif selon la revendication 5, caractérisé en ce que les rainures (4) constituent en même temps pour le conteneur extérieur (2) des emplacements destinés à la rupture.
7. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il comprend dans le fond du fond (25) en forme de cuvette, un alésage central extérieur (9) pour recevoir la cartouche (28) de charge d'éjection portant une charge d'éjection (29) et, radialement à cet alésage (9), dans la paroi cylindrique du fond (25) un évidement destiné au passage d'un insert (77) de connecteur à jack avec une amorce (78).
8. Dispositif selon l'une des revendications précédentes. caractérisé en ce qu'il comporte, dans la paroi cylindrique du fond (25), un autre alésage (75) pour recevoir les éléments (36) de sécurité de l'amorce (47) à percussion.
9. Dispositif selon la revendication 7, caractérisé en ce que, dans l'alésage central extérieur (9), est insérée une douille (76) d'amenée, qui est fermée à son extrémité opposée à l'alésage (9) par l'insert (77) de connecteur à jack, et en ce que la chambre constituée par l'alésage (9) et la douille (76) d'amenée porte la cartouche (28) de charge d'éjection, qui est en relation active avec l'insert (77) de connecteur à jack, ainsi que la charge d'éjection (29) qui s'y trouve.
10. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le couvercle (21) en forme de cuvette de la chambre (27) d'éjection présente un pointeau (38) d'arrêt correspondant avec l'organe (36) de sécurité de l'amorce (47) à percussion dans le fond (25) en forme de cuvette du projectile (A, B, C, D, E, F, G) concerné.
11. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'organe (36) de sécurité est maintenu par la paroi intérieure du tube (1) de lancement dans une position de sécurité additionnelle..
12. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'une pièce (14) de temporisation est disposée entre l'amorce (47) à percussion et l'unité (10) de fractionnement d'allumage.
EP85107202A 1984-06-12 1985-06-11 Dispositif de génération d'un nuage fausse cible, notamment nuage infrarouge Expired EP0164732B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85107202T ATE41513T1 (de) 1984-06-12 1985-06-11 Einrichtung zur erzeugung einer scheinzielwolke, insbesondere einer infrarot-scheinzielwolke.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3421708 1984-06-12
DE19843421708 DE3421708A1 (de) 1984-06-12 1984-06-12 Einrichtung zur erzeugung einer scheinzielwolke, insbesondere einer infrarot-scheinzielwolke

Publications (2)

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EP0164732A1 EP0164732A1 (fr) 1985-12-18
EP0164732B1 true EP0164732B1 (fr) 1989-03-15

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Country Link
US (1) US4621579A (fr)
EP (1) EP0164732B1 (fr)
AT (1) ATE41513T1 (fr)
AU (1) AU4332385A (fr)
BR (1) BR8502806A (fr)
CA (1) CA1276835C (fr)
DE (2) DE3421708A1 (fr)
DK (1) DK160022C (fr)
IN (1) IN165136B (fr)
NO (1) NO163652C (fr)

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Also Published As

Publication number Publication date
CA1276835C (fr) 1990-11-27
US4621579A (en) 1986-11-11
DK160022B (da) 1991-01-14
ATE41513T1 (de) 1989-04-15
DK160022C (da) 1991-06-17
DE3421708A1 (de) 1985-12-12
NO163652B (no) 1990-03-19
DK257885A (da) 1985-12-13
NO852348L (no) 1985-12-13
AU4332385A (en) 1985-12-19
DE3568865D1 (en) 1989-04-20
DK257885D0 (da) 1985-06-07
IN165136B (fr) 1989-08-19
BR8502806A (pt) 1986-02-18
NO163652C (no) 1990-06-27
EP0164732A1 (fr) 1985-12-18

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