EP3123100B1 - Optoelektronischer sucher mit modularer abschirmung - Google Patents

Optoelektronischer sucher mit modularer abschirmung Download PDF

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Publication number
EP3123100B1
EP3123100B1 EP15714784.4A EP15714784A EP3123100B1 EP 3123100 B1 EP3123100 B1 EP 3123100B1 EP 15714784 A EP15714784 A EP 15714784A EP 3123100 B1 EP3123100 B1 EP 3123100B1
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EP
European Patent Office
Prior art keywords
opto
viewfinder
bearing
control
sight
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.)
Active
Application number
EP15714784.4A
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English (en)
French (fr)
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EP3123100A1 (de
Inventor
Bernard Boehm
Fabien Hauzanneau
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.)
Safran Electronics and Defense SAS
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Safran Electronics and Defense SAS
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Publication of EP3123100A1 publication Critical patent/EP3123100A1/de
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Publication of EP3123100B1 publication Critical patent/EP3123100B1/de
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00Armour; Armour plates
    • F41H5/26Peepholes; Windows; Loopholes
    • F41H5/266Periscopes for fighting or armoured vehicles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41GWEAPON SIGHTS; AIMING
    • F41G3/00Aiming or laying means
    • F41G3/22Aiming or laying means for vehicle-borne armament, e.g. on aircraft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41GWEAPON SIGHTS; AIMING
    • F41G3/00Aiming or laying means
    • F41G3/14Indirect aiming means
    • F41G3/16Sighting devices adapted for indirect laying of fire
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00Armour; Armour plates
    • F41H5/06Shields
    • F41H5/18Rotating shields

Definitions

  • the invention relates to an optronic viewfinder with a modular shield comprising means for detecting the shielding.
  • a viewfinder equipping an armed land vehicle, such as a tank, is conventionally provided with an optronic device incorporating detection equipment such as an infrared camera, a video camera, a thermal camera, a laser rangefinder, etc.
  • an optronic device is mounted on a two-axis orientation platform which makes it possible to orient the device in a site and in a bearing.
  • the viewfinder of the command post is usually a panoramic viewfinder located on an upper part of the tank's turret to provide the tank commander with as wide a field of view as possible.
  • This viewfinder is very exposed and must be protected against external aggressions and more particularly against projectiles (bullet impacts, shrapnel, debris, etc.) and is equipped for this purpose with a ballistic armor.
  • DE 10 2008 039 512 A1 represents a device designed for the protection of the viewfinder of the control station.
  • the sight of the firing station meanwhile, is located near the weapon.
  • the sight of the firing station benefits from a limited angle of view centered on the axis of the barrel of the weapon. This allows to house the viewfinder closer to the barrel between armored walls of the tank.
  • the sight of the firing station is not itself equipped with a shield.
  • the two viewers can be identical from an optronic point of view, they have different mechanical structures adapted to the onboard weight, including the motorization and the bearing for the rotation of the optronic viewfinder.
  • the bearing of the sight of the firing station generally has a smaller diameter to limit the friction and to facilitate the active stabilization of the sight by the control of the motorization (in the visor of the position of head of tank, the frictions resulting from the use of a bearing of large diameter are not a problem to ensure the active stabilization of the viewfinder because they are compensated by the inertia provided by the mass of the shield).
  • the object of the invention is to reduce the development and maintenance costs of the viewfinders equipping, in particular, armed land vehicles.
  • a modally shielded optronic viewfinder as described in claim 1.
  • these viewfinders are today generally different and include in particular an orientation platform different and / or different drive means and / or different control means for controlling the drive means. It is therefore necessary, to equip such an armed vehicle, to develop two different viewfinders. It is also necessary to store and make available these two different types of viewfinders to ensure maintenance operations.
  • the optronic viewfinder of the invention is equipped with a modular shield which can be installed or not on the optronic viewfinder.
  • the detection means of the optronic viewfinder can detect the presence or absence of the shield and adapt the control of the drive means according to the presence or absence of a shield on the viewfinder.
  • two similar viewfinders comprising the same platform, drive means and identical control means, the viewfinder of the control station being equipped with a shielding contrary to that of the firing station. We therefore reduce the development cost of these viewfinders since it is no longer necessary to design two viewfinders.
  • an armed land vehicle with at least one weapon, a firing station from which the weapon is fired, a command post from which operations are performed such as control or observation operations, the control station being provided with a first optronic viewfinder on which the modular shielding is installed, the shooting station being provided with a second optronic viewfinder on which the modular shielding is not installed.
  • an armed land vehicle in this case a tank 1, comprises a turret 2 equipped with a gun 3, a control station intended to receive a tank commander, a shooting station intended to receive a shooter and a police station. driving the tank.
  • a turret 2 equipped with a gun 3, a control station intended to receive a tank commander, a shooting station intended to receive a shooter and a police station. driving the tank.
  • the general structure of the chariot is known in itself.
  • the control station is equipped with a first optronic viewfinder 4a according to the invention, which allows the tank commander to observe and monitor the surroundings of the tank 1.
  • the first optronic viewfinder 4a is a panoramic viewfinder located on the turret 2 in an unprotected area: he offers the tank commander a field of view over a 360 degree angle range.
  • the firing station is equipped with a second optronic viewfinder 4b according to the invention located near the barrel 3 and from which the barrel 3 is actuated.
  • the second optronic viewfinder 4b is located in a protected and partially shielded zone of the turret 2.
  • the turret 2 and thus the gun 3 are here enslaved in position to the second optronic viewfinder 4b, the amplitude of the angular deflection in the bearing of the second optronic viewfinder 4b is limited between -5 ° and + 5 °.
  • the first viewfinder and the second optronic viewfinder 4a, 4b are similar viewfinders but differently configured because of their different position on the tank 1.
  • the first optronic viewfinder 4a is equipped with a modular shield 7 designed to protect it from external aggression and more particularly projectiles (bullet impacts, etc.), while the second optronic viewfinder 4b is not equipped with a modular armor because its location on the tank 1 does not require it.
  • the figure 2 represents the second viewfinder of the invention 4b, or, more generally, a viewfinder of the invention 4 not equipped with the modular shielding 7.
  • Each optronic viewfinder 4 comprises an optronic device 8, a two-axis orientation platform 9 allowing an orientation of the optronic device 8 along a site axis X and along a bearing axis Y, a support 11 in which are arranged first drive means, a programmable electronic card 12 and second drive means.
  • the optronic device 8 here comprises, in a conventional manner, a video camera, an infrared camera and a laser range finder which will not be further detailed in the following description.
  • the first training means comprise a electric motor 13 (shown schematically on the Figures 2 and 4 ) adapted to drive the optronic device 8 in rotation around the bearing axis Y.
  • the programmable electronic card 12 comprises control means 14 for driving the electric motor 13.
  • the second drive means are adapted to drive the optronic device 8 in rotation around the axis of site X and, as they do not directly concern the invention, will no longer be mentioned in this description.
  • the two-axis orientation platform 9 comprises a bearing 15 on which the optronic device 8 is mounted to be free to rotate about the bearing axis Y.
  • the optronic device 8 is carried by a rotating part of this bearing 15.
  • the electric motor 13 is driven by the control means 14 of the programmable electronic card 12 to rotate the rotary portion of the bearing 15 and thus to orient the optronic device 8 according to the required angle of bearing.
  • the rotary part is for example provided with a ring gear coaxial with the bearing 15 and a pinion connected in rotation with the output shaft of the electric motor 13 meshes with the ring gear. It is also possible to use direct drive torque motors, therefore without gear and without reduction ratio.
  • the control means 14 implement a control program for the electric motor 13 programmed on the programmable electronic card 12, said control program being arranged to implement a servo-control loop of the angle of view of the optronic viewfinder 4.
  • the first optronic viewfinder 4a is equipped with the modular shielding 7.
  • the modular shielding 7 is balanced in a manner independent of the Y bearing axis to avoid introducing a couple of unbalance that would be detrimental to the stabilization of the viewfinder. Mounting the modular shield 7 on the first optronic viewfinder 4a therefore requires no resumption of balancing of the first optronic viewfinder 4a.
  • the modular shielding 7 comprises a first opening 18 of shape complementary to those of second openings 19 of the optoelectronic device 8.
  • the second openings 19 of the optoelectronic device 8 located opposite the sensors of the cameras, are protected by transparent protection elements through from which the cameras make acquisitions of images over a large extent of elevation angle.
  • the modular shielding 7 is adapted to be carried by the rotating part of the bearing 15.
  • the modular shielding 7 is mounted on the bearing 15 via fastening means 21 comprising a fastening armature. three parts 22 screwed to the bearing 15.
  • the modular shielding 7 is itself fixed to the attachment armature. It is noted here that the fastening arm extends over only a portion of the circumference of the bearing 15, which, on the one hand, facilitates the installation and the removal of the modular shielding 7, and on the other hand, reduces the mass of the optronic viewfinder when the modular shielding 7 is installed.
  • the only difference between the first optronic viewfinder 4a and the second optronic viewfinder 4b is the presence, on the first optronic viewfinder 4a, of the modular shielding 7.
  • the control means 14 are arranged to adapt the manner in which they drive the optronic viewfinders 4 as a function of the presence or absence of the modulable shielding 7.
  • the programmable electronic card 12 of each viewfinder 4 is equipped with detection means 24, said detection means being connected to the control means 14 to communicate to them the result of this detection.
  • the detection means 24 of the programmable electronic card 12 of a given viewfinder 4 are here arranged to detect whether a connection cable connecting the viewfinder to the remainder of the turret is a first connection cable 25 intended to be connected to a viewfinder.
  • a control station such as the first optronic viewfinder of the invention 4a (said first connection cable 25 is thus visible on the figure 4 )
  • a second connection cable 26 intended to be connected to a viewfinder of a shooting station such as the second optronic viewfinder of the invention 4b (said second connection cable 26 is thus visible on the figure 2 ).
  • the first connection cable 25 is provided with a first connector 27 intended to be connected to a connector 28 located on the support 11 of the viewfinder of the control station, that is to say on the support 11 of the first optronic viewfinder 4a .
  • the second connection cable 26 is provided with a second connector 29 intended to be connected to a connector 28 located on the support 11 of the viewfinder of the firing station, that is to say on the support 11 of the second optronic viewfinder 4b .
  • the first connecting cable 25 is electrically arranged so that when the first connector 27 is connected to the connector 28 of the first optronic viewfinder 4a, two configuration pins of the connector 28 of the first viewfinder 4a form an open circuit.
  • the second connection cable 26 is itself electrically arranged so that, when the second connector 29 is connected to the connector 28 of the second optronic viewfinder 4b, the two configuration pins of the connector 28 of the second viewfinder 4b are short-circuited.
  • the detection means 24 of the programmable electronic card 12 are connected to the connector 28 which is itself connected to the first connector 27 of the first connection cable 25 or to the second connector 29 of the second connection cable 26.
  • the detection means 24 of the a viewfinder 4 detect whether the configuration pins of the connector 28 of the support 11 of the viewfinder 4 are short-circuited or if they form an open circuit, that is to say if the connector connected to the connector 28 is the first connector 27 or the second connector 29.
  • the detection means of a viewfinder 4 thus detect whether the viewfinder 4 is the first optronic viewfinder 4a or the second optronic viewfinder 4b, and therefore if the modular shield 7 is installed or not on said viewfinder.
  • the detection means 24 of the programmed electronic card 12 transmit to the control program of the control means 14 the result of this detection.
  • the control adaptation here consists in using a set of adjustment parameters of the control loop, comprising at least one adjustment parameter, a first series of values when the modular shielding 7 is mounted, and a second series of values. 31 when the modular shielding 7 is not mounted.
  • the use of the first set of values 30 or the second set of values 31 is defined by the control means 14 of the programmable electronic card 12 as a function of the result of the presence detection of the shielding 7 transmitted by the detection means. 24.
  • the first and second series of values 30, 31 of the adjustment parameters are predetermined to take into account the difference in mass and inertia between a viewfinder equipped with a modular shield 7 such as the first one. optronic viewfinder 4a and a viewfinder not equipped with a modular shield 7 such as the second optronic viewfinder 4b, differences in mass and inertia being significant because of the relatively high mass of the modular shielding.
  • the first and second series of values 30, 31 of the adjustment parameters also take account of the friction at the rolling elements of the bearing, friction whose influence on the motorization is greater in the viewfinder not equipped with a flexible shielding. .
  • control program used to control the electric motor 13 of the first optronic viewfinder 4a and that of the second optronic viewfinder 4b is a single parameterizable program.
  • the bearing comprises rolling elements consisting of balls of large diameter relative to an inner diameter of the bearing.
  • the ratio between the inside diameter of the bearing 7 and a diameter of one of these balls is here between 15 and 35, and is advantageously close to 25.
  • the inside diameter of the bearing 7 is thus typically 10 inches or 25.4 cm for an outside diameter of 11.5 inches or 29.21 cm, while the balls typically have a diameter of three eighths of an inch, or about 9, 52 mm. With such dimensions, the ratio between the inside diameter of the bearing 7 and the diameter of the balls is 25.7.
  • the relatively large diameter of the balls relative to the internal diameter of the bearing 7 makes the bearing 7 perfectly adapted to the mass and the large inertia of the first optronic viewfinder 4a of the invention which is equipped with the modular shielding 7.
  • the strong inertia is favorable to the stabilization of the position angular deposit, and makes it possible to compensate for the significant friction associated with the balls of large diameter of the bearing 7.
  • detection means which detect an open circuit and a short circuit at the configuration pins of a viewfinder connector
  • the invention naturally applies to completely different detection means. It is for example possible to equip the viewfinder with one or more sensors (proximity sensors, etc.) directly detecting the presence of the shield, said sensors being connected to the control means. It is also possible to detect the presence of the shield according to the efforts that the engine must provide to move the viewfinder (measurement of the current consumed for example) or to provide that the viewfinder control program requires a predefined action of the operator allowing to indicate whether the viewfinder is positioned at the position of the tank commander or the shooter's post.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Viewfinders (AREA)
  • Accessories Of Cameras (AREA)
  • Eye Examination Apparatus (AREA)

Claims (7)

  1. Optoelektronischer Sucher mit modularer Abschirmung, umfassend eine optoelektronische Vorrichtung (8), ein Lager (15), das einen drehenden Teil umfasst, der die optoelektronische Vorrichtung (8) trägt, Drehantriebsmittel zum Drehantrieb des drehenden Teils, Steuermittel (14), die geeignet sind, die Antriebsmittel zu steuern, eine modulare Abschirmung (7), die geeignet ist, von dem drehenden Teil des Lagers (15) getragen zu werden, wobei die modulare Abschirmung an dem optoelektronischen Sucher vorhanden oder nicht vorhanden sein kann,
    wobei der optoelektronische Sucher dadurch gekennzeichnet ist, dass er Detektionsmittel (24) zur Detektion der Abschirmung (7) auf dem drehenden Teil umfasst, wobei die Detektionsmittel mit den Steuermitteln verbunden sind, die so ausgebildet sind, dass sie die Steuerung der Antriebsmittel in Abhängigkeit des Ergebnisses der Detektion anpassen, wobei die Anpassung der Steuerung darin besteht, dass ein erster Wert eines Regelungsparameters zum Regeln eines Steuerprogramms verwendet wird, wenn ein Vorhandensein der modularen Abschirmung erfasst wird, und ein zweiter Wert des Regelungsparameters zum Regeln des Steuerprogramms verwendet wird, wenn ein Nicht-Vorhandensein der modularen Abschirmung erfasst wird.
  2. Optoelektronischer Sucher nach Anspruch 1, bei dem die verschiedenen Werte des Regelungsparameters vorgegeben sind, um mindestens eine Trägheitsdifferenz des Suchers zu berücksichtigen.
  3. Optoelektronischer Sucher nach einem der vorhergehenden Ansprüche, bei dem das Lager (15) Rollelemente umfasst, die aus Kugeln gebildet sind, und bei dem das Verhältnis zwischen einem Innendurchmesser des Lagers (15) und einem Durchmesser einer dieser Kugeln zwischen 15 und 35 liegt.
  4. Optoelektronischer Sucher nach Anspruch 3, bei dem das Verhältnis nahe 25 ist.
  5. Optoelektronischer Sucher nach einem der vorhergehenden Ansprüche, bei dem die modulare Abschirmung (7) am Lager (15) über Befestigungsmittel (21) befestigt ist, die sich nur auf einem Teil des Umfangs des Lagers (15) erstrecken.
  6. Optoelektronischer Sucher nach einem der vorhergehenden Ansprüche, bei dem die Detektionsmittel geeignet sind, einen offenen Stromkreis und/oder einen Kurzschluss im Bereich von Konfigurationsklemmen eines Steckverbinders (28) des Suchers zu erfassen.
  7. Bewaffnetes Landfahrzeug (1), umfassend mindestens eine Waffe (3), eine Schießstation, von der aus die Waffe betätigt wird, eine Steuerstation, von der aus Vorgänge, wie z. B. Steuer- und Beobachtungsvorgänge, durchgeführt werden, wobei die Steuerstation mit einem ersten optoelektronischen Sucher (4a) nach einem der vorhergehenden Ansprüche versehen ist, auf dem die modulare Abschirmung (7) montiert ist, wobei die Schießstation mit einem zweiten optoelektronischen Sucher (4b) nach einem der vorhergehenden Ansprüche versehen ist, auf dem die modulare Abschirmung nicht montiert ist.
EP15714784.4A 2014-03-28 2015-03-27 Optoelektronischer sucher mit modularer abschirmung Active EP3123100B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1452731A FR3019281B1 (fr) 2014-03-28 2014-03-28 Viseur optronique a blindage modulable
PCT/EP2015/056807 WO2015144919A1 (fr) 2014-03-28 2015-03-27 Viseur optronique a blindage modulable

Publications (2)

Publication Number Publication Date
EP3123100A1 EP3123100A1 (de) 2017-02-01
EP3123100B1 true EP3123100B1 (de) 2018-05-02

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Family Applications (1)

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EP15714784.4A Active EP3123100B1 (de) 2014-03-28 2015-03-27 Optoelektronischer sucher mit modularer abschirmung

Country Status (6)

Country Link
EP (1) EP3123100B1 (de)
AU (1) AU2015238236B2 (de)
CA (1) CA2943770C (de)
FR (1) FR3019281B1 (de)
RU (1) RU2647811C1 (de)
WO (1) WO2015144919A1 (de)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
RU2801513C1 (ru) * 2022-12-12 2023-08-09 Акционерное общество "Уральское конструкторское бюро транспортного машиностроения" (АО "УКБТМ") Устройство защиты оптического прибора боевой машины

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Publication number Priority date Publication date Assignee Title
FR3060142B1 (fr) 2016-12-13 2019-05-24 Thales Appareil de visee pour vehicule et vehicule associe
FR3064055B1 (fr) 2017-03-16 2021-07-30 Nexter Systems Dispositif de protection balistique pour moyen d'observation
FR3065537B1 (fr) * 2017-04-19 2019-06-28 Thales Systeme optronique pour plate-forme et plate-forme associee
FR3078397B1 (fr) 2018-02-23 2021-05-07 Nexter Systems Dispositif de protection pour un viseur orientable en site
IT202000020239A1 (it) * 2020-08-18 2022-02-18 Raphael Thomasset Sistema ottico episcopico attuazione elettromeccanica per veicoli da combattimento
FR3124608A1 (fr) * 2021-06-28 2022-12-30 Safran Electronics & Defense Dispositif d'observation a voies optronique et optique independantes et vehicule equipe d'un tel dispositif

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FR2648574B1 (fr) * 1989-06-20 1993-03-12 Etudes Realis Electronique Dispositif de visee optique monte sur un vehicule a l'exterieur de ce dernier
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DE10217991B4 (de) * 2002-03-09 2005-08-11 Rheinmetall Landsysteme Gmbh Turmintegrierte Lastenhebeeinrichtung für gepanzerte Fahrzeuge, insbesondere Kampffahrzeuge
DE102008039512A1 (de) * 2008-08-23 2010-02-25 Krauss-Maffei Wegmann Gmbh & Co. Kg Schutzvorrichtung für eine optische Einrichtung eines Fahrzeugs, insbesondere eines Kampffahrzeugs
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Publication number Priority date Publication date Assignee Title
RU2801513C1 (ru) * 2022-12-12 2023-08-09 Акционерное общество "Уральское конструкторское бюро транспортного машиностроения" (АО "УКБТМ") Устройство защиты оптического прибора боевой машины

Also Published As

Publication number Publication date
CA2943770C (fr) 2017-11-28
WO2015144919A1 (fr) 2015-10-01
AU2015238236A1 (en) 2016-10-20
FR3019281A1 (fr) 2015-10-02
AU2015238236B2 (en) 2018-11-15
CA2943770A1 (fr) 2015-10-01
EP3123100A1 (de) 2017-02-01
RU2647811C1 (ru) 2018-03-19
FR3019281B1 (fr) 2016-04-22

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