EP3992073A1 - Appareil téléscopique pour un sous-marin - Google Patents

Appareil téléscopique pour un sous-marin Download PDF

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Publication number
EP3992073A1
EP3992073A1 EP20204708.0A EP20204708A EP3992073A1 EP 3992073 A1 EP3992073 A1 EP 3992073A1 EP 20204708 A EP20204708 A EP 20204708A EP 3992073 A1 EP3992073 A1 EP 3992073A1
Authority
EP
European Patent Office
Prior art keywords
shell
extension device
mast
another
composite material
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
Application number
EP20204708.0A
Other languages
German (de)
English (en)
Other versions
EP3992073B1 (fr
EP3992073C0 (fr
Inventor
Christian Lux
Christian Schulz
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.)
Gabler Maschinenbau GmbH
Original Assignee
Gabler Maschinenbau GmbH
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 Gabler Maschinenbau GmbH filed Critical Gabler Maschinenbau GmbH
Priority to EP20204708.0A priority Critical patent/EP3992073B1/fr
Priority to KR1020210145559A priority patent/KR102596169B1/ko
Publication of EP3992073A1 publication Critical patent/EP3992073A1/fr
Application granted granted Critical
Publication of EP3992073B1 publication Critical patent/EP3992073B1/fr
Publication of EP3992073C0 publication Critical patent/EP3992073C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/28—Arrangement of offensive or defensive equipment
    • B63G8/34—Camouflage
    • 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
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/04—Superstructure
    • 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
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/38—Arrangement of visual or electronic watch equipment, e.g. of periscopes, of radar
    • 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
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/04—Superstructure
    • B63G8/06—Conning-towers
    • 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
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/36—Adaptations of ventilation, e.g. schnorkels, cooling, heating, or air-conditioning

Definitions

  • the invention relates to an extension device for a submarine and a submarine with such an extension device.
  • Extension devices represent the basis of a mast system or mast and, in addition to the mast, also have a drive and a guide arrangement for extending the mast.
  • An extension device can be used as a platform for various sensors, antennas, equipment, weapons and other devices and is usually arranged in the area of a tower of the submarine. Since the extension device protrudes from the submarine in the vertical direction in an extended state, it can basically be detected by means of radar or other detection methods. The detectability depends on the reflection and absorption behavior of the extension device with regard to radar radiation.
  • the object of the present invention is to create an extension device that has the smallest possible radar cross-section with the lowest possible integration effort and conventional usability of the extension device.
  • extension device having the features specified in claim 1 .
  • Advantageous configurations of the extension device result from the subclaims, the following description and the drawings, with those specified in the subclaims and the description Characteristics are each applicable but also in a suitable combination.
  • An extension device for a submarine comprising a mast, a first shell and a second shell, the first shell and the second shell surrounding the mast, the first shell enclosing at least part of the second shell, the first shell for a detection wave is transparent and comprises a first fiber composite material, the second shell being impermeable to the detection wave and comprising a second fiber composite material, the second shell having a second surface facing the first shell having a plurality of contiguous and cross-sectionally zigzag angled to each other standing, rectilinear sections for reflecting the detection wave to reduce the radar cross section, and wherein the first shell has a first surface facing away from the second shell, which follows the shape of the second surface in a wavy manner.
  • the extension device thus has a mast surrounded by an assembly of two shells.
  • the first shell is an outer shell that is in direct contact with the environment of the extension device when the mast is extended.
  • the second shell is an inner shell and faces directly the mast. It is at least partially and preferably completely enclosed by the first shell and is consequently shielded from water and air flow and other mechanical influences. Furthermore, the first shell at least partially and preferably completely encloses the mast, whereby a sensor arranged on the mast or other piece of equipment can lie outside both shells.
  • the second shell does not necessarily have to touch the mast, but can have a certain distance from it. Since the first shell for detection waves is transparent, one on the detection wave directed by the arrangement of the sheaths pass through the first sheath and impinge on the second sheath. There it is reflected.
  • the first shell is not decisive for the formation of a radar signature and can therefore be optimized largely independently according to flow-mechanical aspects.
  • the second shell is adapted to reduce the radar cross section and reflects detection waves obliquely to the direction of incidence and thus in a direction outside the receiver range.
  • the second shell is formed in a zigzag shape on its second surface facing the first shell, i.e. outwards. This means that individual sections that are straight in cross section are provided, which adjoin other sections of the second surface that are straight in cross section. The respective orientation of the individual sections changes alternately over the entire surface of the second shell.
  • the sections are preferably each angled around a local axis that runs transversely to a vertical axis of the mast.
  • the second fiber composite material is selected for reliable reflection of detection waves and could include carbon fibers, among other things. The reflection takes place on the second surface.
  • the first fiber composite material and the second fiber composite material can also be designed differently due to the separation of functions.
  • the second shell has, in particular, electrically conductive elements that lead to the reflection of the detection wave.
  • the first shell is designed in particular without conductive elements and could have plastics with a reinforcement of glass fibers or other high-tensile, non-conductive elements in order to reliably ensure the entry of detection waves.
  • the first casing is of corrugated design. This means that in the course of the surface wave crests and wave troughs continuously connect to each other.
  • the outer surface of the first shell is preferably free of steps, edges and kinks or other features that can be detected by radar. Particularly preferably, the outer surface does not have any flat surface sections, but is preferably continuously curved.
  • the wave form of the first envelope follows the zigzag structure of the second envelope, so that wave crests formed in the first surface lie on connecting edges of two consecutive segments of the second surface facing away from the mast and wave troughs lie on connecting edges of two segments of the second surface facing towards the mast.
  • the first shell thus generally follows the structure of the second shell, but its course is rounded to form the waveform.
  • the mast generally has a round cross section
  • the arrangement of the first and second shells to run rotationally symmetrically around the vertical axis of the mast.
  • the sections of the second shell that run in a straight line in cross section thus form cone section surfaces which adjoin one another along the vertical axis and widen or narrow in alternating directions.
  • the form of the retractable device determined by the first shell then resembles that of a vibrissa (a tactile hair) of a seal, which has a particularly favorable flow behavior in the water, which is advantageously used for the retractable device according to the invention.
  • the first fiber composite material is GRP.
  • GRP glass fiber reinforced plastic
  • GRP is suitable for the realization of the first shell, since this material is transparent to detection waves.
  • GRP is inexpensive and can be shaped very flexibly.
  • the second fiber composite material particularly preferably has a matrix material with carbon allotropes embedded therein.
  • the carbon allotropes can include carbon fibers, graphene, carbon nanotubes, or others that can be embedded in a matrix material.
  • the carbon allotropes in the form of mats or fabrics are arranged to follow the second surface in parallel to cause the desired reflective behavior.
  • the rectilinear sections and a vertical axis of the mast enclose a first angle to one another that is in a range of 5°-15°. If the second shell is designed to encircle the vertical axis of the mast, the spanned cone section surfaces thereby each taper by 5°-15° or widen by 5°-15°. In this way, the detection waves can be reliably reflected in a direction facing away from the source of the detection wave, without a particularly high radial installation volume being necessary.
  • two consecutive sections of the second surface enclose an angle of 150° to 170° to one another.
  • the zigzag structure is formed in that the sections enclose such an angle in pairs.
  • the angle of 150°-170° always refers to the smaller angle between two sections, i.e. the obtuse angle measured mutually on a side facing towards the mast (under a wave crest) or away from it (under a wave trough).
  • first shell and the second shell could lie flush on one another.
  • a mast-facing inner surface of the first shell is thus in face-to-face contact with the second surface of the second shell. Both cases could be glued together, resulting in an integral component.
  • the first shell could get its wavy shape through a specific thickness progression, so that the first shell follows the sharp connecting edges of adjoining sections of the second surface on the inside, but is always rounded on the outside by continuously adapted local thicknesses.
  • the first shell and the second shell are preferably connected to one another.
  • the connection could be made by gluing, for example. Both cases could be manufactured separately and then glued together.
  • the second surface of the second shell which is decisive for the reflection behavior, could be draped and cured with a zigzag shape, for example, in a corresponding, complementarily shaped mold.
  • both surfaces of the first shell could be formed by contact with a molding tool, respectively, to produce a zigzag shape to match the second shell on the inner surface and a desired undulating shape on the outer surface. A large number of different methods are conceivable for this.
  • the second shell is particularly preferably laminated onto the first shell.
  • the first shell may be made on a mold having a surface corresponding to the second surface of the second shell. After the first shell has cured, the second shell could be laminated on in the form of one or a few layers of the second fiber reinforced plastic. Alternatively, it would be conceivable to first place the material of the second shell on a suitable mold in order to then attach the material of the first shell to it. Both shells can then be infiltrated and cured together with the matrix material. A separate manufacture of the second shell and the subsequent lamination of the first shell is also conceivable.
  • the first shell and the second shell are designed as individual panels that can be attached to the mast.
  • the individual panels can be easily replaced if damaged. There is therefore no need to replace the entire assembly of the two cases in the event of damage. A single panel could even be kept on board the submarine to replace a defective panel if necessary. Consequently, the arrangement particularly preferably consists of a large number of identical or similar panels, so that the variety of parts and consequently the need for parts to be stored is limited and a quicker and easier exchange is made possible.
  • first shell and the second shell are each designed to be rotationally symmetrical about a vertical axis of the mast. Consequently, individual segments of the second surface of the second shell enclose horizontally arranged circular connecting edges, which are adjoined by corresponding circumferential wave crests or wave troughs in the first surface of the first shell.
  • the invention also relates to a submarine, having a tower with an extension device arranged thereon according to the previous description.
  • the extension device can be extended and retracted selectively and has a low radar cross-section.
  • figure 1 shows a submarine 2 in a schematic representation.
  • the submarine 2 has an outer skin 4 in which a turret 6 is formed at an upper side.
  • an extension device 8 which, in the extended state, extends essentially vertically upwards from the tower 6 .
  • the deployment device 8 can be extended and retracted and has a free end 10 which may carry a sensor (not shown) or other piece of equipment. It can also be seen that an outer shape of the extension device 8 has a wavy surface 12 .
  • FIG 2 shows a detailed representation of the extension device 8, which is shown in figure 1 marked with "A". A part of the outer skin 4 can be seen there, over which the extension device 8 extends.
  • the extension device 8 has a mast 14 which is shown by way of example as a hollow-cylindrical body and has a vertical axis 15 .
  • the mast 14 is surrounded by an assembly of a first shell 16 and a second shell 18 . While the second shell 18 directly around the mast 14 around is arranged, the first shell 16 encloses the second shell 18.
  • the first shell 16 and the second shell 18 are formed as a coherent, integral component by the second shell 18 being laminated to an inner surface of the first shell 16 facing the mast 14 is.
  • the second shell 18 has a multiplicity of straight sections 20 which adjoin one another to form connecting edges 22 .
  • the sections 20 are each set around the connecting edges 22 so that they run at an angle to the vertical axis 15 .
  • successive sections 20 are set at the same angle in alternating directions, so that a zigzag-shaped surface structure is produced overall.
  • two adjoining or consecutive sections 20 each enclose an angle a of 150° to 170° on alternate sides relative to the vertical axis 15 to one another.
  • the second shell 18 is spaced somewhat from the mast 14 . It would be conceivable to equip the mast 14 with holding elements that carry the second shell 18 . A smaller or larger distance or a flush arrangement of the connecting edges 22 pointing inwards on the mast 14 would also be conceivable.
  • the second shell 18 consists of a fiber-reinforced plastic that has conductive elements. These reflect detection waves, for example from a radar system. Due to the zigzag structure, through which the sections 20 always enclose an angle of between 5° and 15° to a surface of the mast 14, horizontally arriving detection waves are reflected at an angle to the mast 14 so that they leave the receiver horizon.
  • the conductive elements in the second Shell 18 could include carbon allotropes, such as carbon fibers.
  • the first shell 16 follows the general shape of the second shell 18, but in doing so the terminal edges 22 are outwardly rounded.
  • a material thickness d (see figure 3 ) of the first shell 16 may vary along the course of the second shell 18 for this purpose. This results in a perfectly harmonically curved first surface 24, which has an undulating shape. Wave crests continuously follow wave troughs. Connecting edges 22 pointing outwards are each covered by a wave crest, while connecting edges 22 pointing towards the mast 14 lie under a wave trough.
  • Such a surface shape has a particularly favorable flow behavior, which leads to a reduction in flow resistance compared to other surface shapes.
  • Such a surface form is known, for example, from vibrissae in seals.
  • a schematic, three-dimensional partial section is the 2 can also be seen, which indicates the spatial shape of the extension device 8.
  • the first shell 16 is preferably completely transparent for detection waves. You could be made of a fiber-reinforced plastic in which the reinforcing fibers are electrically non-conductive.
  • the first shell 16 and the second shell 18 can thus form a cladding that has GRP on its outside and CFRP on its inside.
  • the part formed by GRP takes over the mechanical loads and has a corresponding stability.
  • the CFRP part is only used to reflect radar waves and could be limited to one or just a few layers of material.
  • figure 3 shows an in figure 2 Detail marked "B".
  • the mast 14 and part of the first shell 16 and the second shell 18 can be seen here.
  • a planar section 20 shown enlarged encloses an angle ⁇ of 5° to 15° to the mast 14 .
  • the first shell 16 and the second shell 18 are flush with one another here and, as explained above, can be designed as a single, integral component.
  • the material thickness d of the first shell 16 varies along the vertical axis 15 of the mast 14 in order to follow the connection edges 22 and at the same time to create a first surface 24 that is completely rounded in itself.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
EP20204708.0A 2020-10-29 2020-10-29 Appareil téléscopique pour un sous-marin Active EP3992073B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20204708.0A EP3992073B1 (fr) 2020-10-29 2020-10-29 Appareil téléscopique pour un sous-marin
KR1020210145559A KR102596169B1 (ko) 2020-10-29 2021-10-28 잠수함용 연장 장치 및 그를 구비하는 잠수함

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20204708.0A EP3992073B1 (fr) 2020-10-29 2020-10-29 Appareil téléscopique pour un sous-marin

Publications (3)

Publication Number Publication Date
EP3992073A1 true EP3992073A1 (fr) 2022-05-04
EP3992073B1 EP3992073B1 (fr) 2023-06-07
EP3992073C0 EP3992073C0 (fr) 2023-06-07

Family

ID=73039901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20204708.0A Active EP3992073B1 (fr) 2020-10-29 2020-10-29 Appareil téléscopique pour un sous-marin

Country Status (2)

Country Link
EP (1) EP3992073B1 (fr)
KR (1) KR102596169B1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1357024A1 (fr) * 2002-04-27 2003-10-29 Gabler Maschinenbau GmbH Superstructure escamotable pour un sous-marin
DE102011009283A1 (de) * 2011-01-24 2012-07-26 Gabler Maschinenbau Gmbh Antenne für ein Unterseeboot
DE102015209723A1 (de) * 2015-05-27 2016-12-01 Thyssenkrupp Ag Fluidfahrzeug mit reduzierter Signatur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005153876A (ja) * 2005-01-11 2005-06-16 Riyokuseishiya:Kk ラジオブイ
DE102014103601A1 (de) * 2014-03-17 2015-09-17 Thyssenkrupp Ag Vorrichtung zur Reduktion der effektiven Radarrückstrahlfläche

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1357024A1 (fr) * 2002-04-27 2003-10-29 Gabler Maschinenbau GmbH Superstructure escamotable pour un sous-marin
DE102011009283A1 (de) * 2011-01-24 2012-07-26 Gabler Maschinenbau Gmbh Antenne für ein Unterseeboot
DE102015209723A1 (de) * 2015-05-27 2016-12-01 Thyssenkrupp Ag Fluidfahrzeug mit reduzierter Signatur

Also Published As

Publication number Publication date
KR102596169B1 (ko) 2023-10-30
KR20220057461A (ko) 2022-05-09
EP3992073B1 (fr) 2023-06-07
EP3992073C0 (fr) 2023-06-07

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