EP4028715A1 - Unterwasserfahrzeug mit zwei hintereinander angeordneten hohlladungen - Google Patents
Unterwasserfahrzeug mit zwei hintereinander angeordneten hohlladungenInfo
- Publication number
- EP4028715A1 EP4028715A1 EP20768544.7A EP20768544A EP4028715A1 EP 4028715 A1 EP4028715 A1 EP 4028715A1 EP 20768544 A EP20768544 A EP 20768544A EP 4028715 A1 EP4028715 A1 EP 4028715A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow charge
- charge
- watercraft
- action
- hollow
- 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.)
- Granted
Links
- 230000009471 action Effects 0.000 claims description 27
- 238000011156 evaluation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 239000002360 explosive Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
- F42B12/10—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge
- F42B12/16—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge in combination with an additional projectile or charge, acting successively on the target
- F42B12/18—Hollow charges in tandem arrangement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G7/00—Mine-sweeping; Vessels characterised thereby
- B63G7/02—Mine-sweeping means, Means for destroying mines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B19/00—Marine torpedoes, e.g. launched by surface vessels or submarines; Sea mines having self-propulsion means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G7/00—Mine-sweeping; Vessels characterised thereby
- B63G2007/005—Unmanned autonomously operating mine sweeping vessels
Definitions
- the invention relates to a watercraft with a shaped charge. Such watercraft are regularly used to clear objects, in particular mines.
- a mine is usually cleared by detonating the explosives present inside the mine by a charge from the outside.
- a shaped charge is usually used for this. What is important here, however, is that the explosive used in a mine itself can be difficult to ignite and only the detonator itself contains highly explosive material. It is therefore necessary to achieve a high energy input into the explosive of the mine in a volume. For this reason, shaped charges are usually used to ignite the explosive in a mine.
- a tandem warhead with a main charge and a sub-charge is known from DE 4240084 A1.
- a missile with a pivotable shaped charge is known from DE 3605579 C1.
- the object of the invention is to provide a watercraft with which a mine can be safely cleared whose shell surrounding the explosive is not directly accessible.
- the watercraft according to the invention with a first shaped charge has a second shaped charge, which is arranged in the direction of action of the first hollow charge behind the first hollow charge, the direction of action of the first hollow charge and the direction of action of the second hollow charge extending to a common target point.
- the effective direction of the first hollow charge and the effective direction of the second hollow charge preferably run along a common line in the direction of the target point, that is to say they are coaxial.
- the aim and effect of this arrangement is that the first shaped charge is initially ignited.
- the first shaped charge is arranged in front of the second shaped charge. This generates a plasma lance, which causes the water arranged between the watercraft and a mine to evaporate. If necessary, this first plasma lance of the first hollow charge penetrates a first obstacle, for example a first wall of a double-walled mine, an ammunition box or the like.
- a first obstacle for example a first wall of a double-walled mine, an ammunition box or the like.
- the second shaped charge is ignited.
- the second plasma lance created by the ignition of the second shaped charge can now reach the mine with considerably less attenuation.
- the second hollow charge in particular can be designed and / or arranged in such a way that the second plasma lance is particularly narrow and therefore particularly fast. Under water this would be weakened particularly strongly at a greater distance, but this is prevented by the first plasma lance. In this way, the energy introduced into the mine can be maximized and the success of clearing can be ensured.
- At least one of the two shaped charges is arranged to be movable.
- the first hollow charge and the second hollow charge are preferably arranged to be movable, the distance between the first hollow charge and the second hollow charge being constant. Due to the mobility, an adjustment to a variable distance between the watercraft and the mine is possible.
- the distance between the first shaped charge and the second shaped charge is selected to be so large that the second plasma lance is as focused and narrow as possible. Increasing the distance would therefore no longer have a positive effect. A shortening would lead to the focus dropping and thus possibly the energy input into the mine being weakened.
- the watercraft also has a distance sensor and evaluation and control electronics. The distance sensor is designed to detect the distance between the watercraft and an object arranged in front of the watercraft.
- the evaluation and control electronics are designed to process the distance between the watercraft and the object arranged in front of the watercraft that is detected by the distance sensor. Furthermore, the evaluation and control electronics are designed to move at least one of the two hollow charges as a function of the detected distance. At least one of the two hollow charges is preferably moved by the evaluation and control electronics with the aid of a motor which is controlled by the evaluation and control electronics and moves at least one of the two hollow charges, preferably both hollow charges together.
- the distance often cannot be set to a predetermined value at will due to obstacles or currents, for example, so it has proven advantageous to determine the real distance and then to adapt the position of at least one of the two shaped charges to the distance.
- the direction of action of the first hollow charge and the direction of action of the second hollow charge run parallel.
- the direction of action of the first hollow charge and the direction of action of the second hollow charge are arranged in the longitudinal direction of the watercraft. This enables a slim design.
- a first gas space is arranged between the first hollow charge and the shell of the watercraft and a second gas space is arranged between the first hollow charge and the second hollow charge.
- the length of the first gas space in the direction of action of the first hollow charge is less than the length of the second gas space in the direction of action of the second hollow charge.
- the direction of action of the first hollow charge and the direction of action of the second hollow charge are not arranged parallel to one another.
- the first gas space which is arranged in front of the first hollow charge in the direction of action, is to be selected so short that the plasma lance produced is sufficiently wide so that the direction of action of the second hollow charge is within the opening angle of the plasma lance of the first hollow charge.
- Advantages of this embodiment are, on the one hand, that the second shaped charge does not have to penetrate the rear wall of the first shaped charge and is therefore not weakened; on the other hand, a shorter design can be realized.
- the first hollow charge generates a comparatively wide plasma lance and thus a comparatively larger amount of water has to evaporate. Penetration can also be more difficult in the case of a double-walled mine.
- the first hollow charge has a first igniter and the second hollow charge has a second igniter.
- the first igniter and the second igniter are connected to an ignition device.
- the ignition device has a delay device, the delay device causing the second igniter to be ignited later.
- the delay device is also regarded as a component of the ignition device if the delay device is part of the connection between the central core of the ignition device and the second igniter.
- the connection between the central core of the ignition device and the second igniter can be longer than the connection between the central core of the ignition device and the first igniter.
- the first gas space arranged in front of the first hollow charge is shorter in the direction of action of the first hollow charge than the second gas space arranged in front of the second hollow charge in the direction of action of the second Shaped charge. This ensures that the plasma lance of the first hollow charge is less focused than the plasma lance of the second hollow charge.
- the watercraft 10 is shown in a schematic cross section.
- the watercraft 10 has a battery 50, a motor 60 and a propeller 70.
- the watercraft 10 can also have a plurality of motors 60 and propellers 70.
- a first hollow charge 21 and a second hollow charge 22 are arranged, which are aligned with the direction of action in the longitudinal direction of the watercraft and in the direction of travel of the watercraft 10. It can be seen that the first gas space lying between the first hollow charge 21 and the shell 40 is shorter than the second gas space, which is arranged between the second hollow charge 22 and the first hollow charge 21. As a result, the second plasma jet of the second plasma charge 22 is more focused.
- the watercraft 10 has an ignition device 100.
- the ignition device 100 is arranged such that the central core of the ignition device 100 has a longer connection to the second hollow charge 22 than to the connection to the first hollow charge 21, so that the connection from the central core of the ignition device to the second hollow charge 22 functions as a delay device.
- the watercraft 10 has a sonar 90 in order to determine the distance from the watercraft 10 to a mine.
- the watercraft 10 shown in FIG. 2 additionally has a threaded rod 30 with which the first hollow charge 21 and the second hollow charge 22 can be moved together. This allows the expansion of the plasma jet of the first hollow charge 21 to be changed. Due to the constant distance between the first hollow charge 21 and the second hollow charge 22, however, the shape of the second plasma jet remains unchanged.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
- Plasma Technology (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019213944.2A DE102019213944A1 (de) | 2019-09-12 | 2019-09-12 | Unterwasserfahrzeug mit zwei hintereinander angeordneten Hohlladungen |
PCT/EP2020/074733 WO2021048012A1 (de) | 2019-09-12 | 2020-09-04 | Unterwasserfahrzeug mit zwei hintereinander angeordneten hohlladungen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP4028715A1 true EP4028715A1 (de) | 2022-07-20 |
EP4028715C0 EP4028715C0 (de) | 2023-08-23 |
EP4028715B1 EP4028715B1 (de) | 2023-08-23 |
Family
ID=72432880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20768544.7A Active EP4028715B1 (de) | 2019-09-12 | 2020-09-04 | Unterwasserfahrzeug mit zwei hintereinander angeordneten hohlladungen |
Country Status (4)
Country | Link |
---|---|
US (1) | US11821715B2 (de) |
EP (1) | EP4028715B1 (de) |
DE (1) | DE102019213944A1 (de) |
WO (1) | WO2021048012A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020202718A1 (de) | 2020-03-03 | 2021-09-09 | Atlas Elektronik Gmbh | Unterwasserfahrzeug |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2460303A1 (de) * | 1974-12-20 | 1978-10-19 | Messerschmitt Boelkow Blohm | Kombiniertes hohlladungsgeschoss |
DE3010917C2 (de) * | 1980-03-21 | 1984-03-01 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Gefechtskopf mit einer Haupthohlladung und mindestens einer Vorhohlladung |
DE3540021A1 (de) * | 1985-11-12 | 1987-05-21 | Messerschmitt Boelkow Blohm | Mehrteilige hohlladungsauskleidung |
DE3605579C1 (en) * | 1986-02-21 | 1987-05-07 | Messerschmitt Boelkow Blohm | Missile for attacking targets underneath the flight path (trajectory) of the missile |
DE3633535C1 (de) | 1986-10-02 | 1996-09-26 | Daimler Benz Aerospace Ag | Gefechtskopf |
DE4240084A1 (de) | 1992-11-28 | 1994-06-01 | Dynamit Nobel Ag | Tandemgefechtskopf mit piezoelektrischen Aufschlagzündern |
FR2779514B1 (fr) * | 1998-06-09 | 2001-01-26 | Tda Armements Sas | Munition de contre mesure |
EP1087203B1 (de) * | 1999-09-27 | 2006-05-03 | Saab AB | Methode zum Gebrauch einer Mehrfachhohlladung und Mehrfachhohlladung zur Durchführung der Methode |
DE102011121856A1 (de) * | 2011-12-21 | 2013-06-27 | Atlas Elektronik Gmbh | Kampfmittelräumgerät zum Räumen von Kampfmitteln, wie Seeminen, unter Wasser, Kampfmittelräumkombination mit unbemanntem Unterwasserfahrzeug und derartigem Kampfmittelräumgerät sowie Verfahren hierzu. |
-
2019
- 2019-09-12 DE DE102019213944.2A patent/DE102019213944A1/de not_active Ceased
-
2020
- 2020-09-04 EP EP20768544.7A patent/EP4028715B1/de active Active
- 2020-09-04 WO PCT/EP2020/074733 patent/WO2021048012A1/de unknown
- 2020-09-04 US US17/642,386 patent/US11821715B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20220325994A1 (en) | 2022-10-13 |
DE102019213944A1 (de) | 2021-03-18 |
WO2021048012A1 (de) | 2021-03-18 |
EP4028715C0 (de) | 2023-08-23 |
US11821715B2 (en) | 2023-11-21 |
EP4028715B1 (de) | 2023-08-23 |
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