EP3036496A1 - Système muni d'un dispositif optique et d'un occulteur - Google Patents

Système muni d'un dispositif optique et d'un occulteur

Info

Publication number
EP3036496A1
EP3036496A1 EP14757876.9A EP14757876A EP3036496A1 EP 3036496 A1 EP3036496 A1 EP 3036496A1 EP 14757876 A EP14757876 A EP 14757876A EP 3036496 A1 EP3036496 A1 EP 3036496A1
Authority
EP
European Patent Office
Prior art keywords
interior
control electronics
lcd window
photocells
vehicle
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
EP14757876.9A
Other languages
German (de)
English (en)
Other versions
EP3036496B1 (fr
Inventor
Gerd Brandl
Philipp Börner
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.)
Rheinmetall Landsysteme GmbH
Original Assignee
Rheinmetall Landsysteme 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 Rheinmetall Landsysteme GmbH filed Critical Rheinmetall Landsysteme GmbH
Publication of EP3036496A1 publication Critical patent/EP3036496A1/fr
Application granted granted Critical
Publication of EP3036496B1 publication Critical patent/EP3036496B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/26—Peepholes; Windows; Loopholes
    • F41H5/266—Periscopes for fighting or armoured vehicles

Definitions

  • the invention relates to a device with an optical device, in particular an angle mirror, a sighting optics, a periscope or the like., With the interior of a vehicle or a building, the surrounding terrain is observable, and a dimming device for preventing the escape of light from the Interior of the vehicle or building.
  • an optical device in particular an angle mirror, a sighting optics, a periscope or the like.
  • the document DE 1910523 A1 therefore already proposes to provide a pivotable diaphragm for interrupting the exit of light from the vehicle interior to interrupt the beam path through the optical device.
  • This aperture is operable by a connectable to the circuit of the interior lighting of the vehicle electromagnet in a beam path of the optical device interrupting position.
  • a disadvantage is the use of this known Abblend issued the relatively large space requirement for the pivotable aperture.
  • Abblend responded can be arranged only with great effort subsequently to the existing optical devices (angle mirrors, etc.).
  • the invention has for its object to provide a device with a screening device, which can be easily retrofitted to existing optical devices, such as angle mirrors, visor optics, etc., and as quickly as possible automatically or manually causes an interruption of the beam path through the optical device ,
  • the invention is based essentially on the idea of using as a dimming device of the device according to the invention a switchable by an electric voltage LCD window and an LCD connected to the control electronics, with the help of the LCD window from a translucent to an opaque state, and vice versa, is switchable.
  • the LCD window which is also referred to as switchable glazing, be arranged on the inside or outside of the optical device.
  • switchable glazing be arranged on the inside or outside of the optical device.
  • control electronics is preferably connected to at least two, arranged in the interior of the vehicle or building photocells, so that the photocells when detecting a light source in the interior of the control electronics feed signal, and the control electronics then switches the LCD window from the translucent to the opaque state.
  • the photocells When the light sources are switched off, the photocells again generate a signal that can be supplied to the control electronics, which signal then switches back the LCD window from the opaque to the translucent state.
  • the device according to the invention contains no mechanical parts, it is virtually maintenance-free.
  • the interior side of the optical device connected to the control electronics pressure switch is arranged. For the duration of the operation of this pressure switch, the LCD window then switches from the opaque to the translucent state. even if the photocells should detect a light source in the interior.
  • the photocells are provided with a cover so that they do not detect light and the control electronics automatically switches the LCD window in the visual state.
  • the penetration of laser beams into the optical device can be prevented, so that laser irradiation of the optical devices by an opponent avoids eye injuries of the observer using the optical device.
  • 1 denotes a device according to the invention, which comprises an angle mirror 2 as an optical device.
  • the angle mirror 2 protrudes through the upper wall 3, for example the tower of a main battle tank, so that an observer can observe the surrounding terrain 5 from the interior 4 of the vehicle.
  • a dimming device 6 is fastened on the inside.
  • This essentially consists of an LCD window 7, an associated with the LCD window 7 control electronics 8 and two photocells 9.
  • a corresponding voltage source 10 is provided to power the LCD window 7, the control electronics 8 and the photocells 9, a corresponding voltage source 10 is provided.
  • both an IR and UV filters 11 and a laser filter 12 are arranged on the outside of the angle mirror 2.
  • the sensitivity of the two photocells 9 is adapted to the light sources (not shown) mounted in the interior 4 in order to ensure that e.g. the arranged on the angle mirror 2 in the tower of the main battle tank photocell 9 even when a light source in the interior of the vehicle 4 is operated.
  • a corresponding signal is supplied to the electronic control unit 8, which then switches the LCD window 7 into its opaque state within a few milliseconds so that no visible light can penetrate through the angle mirror 2 to the outside.
  • the electronic control unit 8 causes the LCD window 7 to be switched to its light-permeable state.
  • a corresponding lag or delay time can be provided for switching to the light-transmissive area by means of the control electronics 8 (for example 0.5 seconds).
  • the dimming device 6 is constantly supplied with power by the voltage source 10 (for example, the electrical system of the vehicle) and is therefore always in the operating state when the main battle tank is used. This ensures that no light from the interior 4 of the vehicle can escape to the outside.
  • the voltage source 10 for example, the electrical system of the vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

L'invention concerne un système (1) muni d'un dispositif optique (2), en particulier d'un épiscope, d'une optique de visée, d'un périscope ou similaire, qui permet d'observer le terrain environnant (5) depuis l'intérieur (4) d'un véhicule ou d'un bâtiment, et d'un occulteur (6) empêchant la lumière de sortir de l'intérieur (4) du véhicule ou du bâtiment. L'invention vise à faciliter l'agencement de l'occulteur (6) sur des dispositifs optiques existants (2), même à posteriori, et à effectuer le plus rapidement possible automatiquement ou manuellement une interruption du chemin optique par le dispositif optique (2). A cet effet, l'invention utilise en tant qu'occulteur (6) du dispositif (1) selon l'invention une fenêtre LC (7) commutable par une tension électrique et une électronique de commande (8) connectée à la fenêtre LC (7), au moyen de laquelle électronique de commande la fenêtre LC (7) peut être commutée d'un état laissant passer la lumière à un état ne laissant pas passer la lumière et inversement.
EP14757876.9A 2013-08-21 2014-08-19 Système muni d'un dispositif optique et d'un occulteur Active EP3036496B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310013777 DE102013013777A1 (de) 2013-08-21 2013-08-21 Vorrichtung mit einer optischen Einrichtung und einer Abblendeinrichtung
PCT/EP2014/067642 WO2015024926A1 (fr) 2013-08-21 2014-08-19 Système muni d'un dispositif optique et d'un occulteur

Publications (2)

Publication Number Publication Date
EP3036496A1 true EP3036496A1 (fr) 2016-06-29
EP3036496B1 EP3036496B1 (fr) 2018-12-12

Family

ID=51429263

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14757876.9A Active EP3036496B1 (fr) 2013-08-21 2014-08-19 Système muni d'un dispositif optique et d'un occulteur

Country Status (4)

Country Link
EP (1) EP3036496B1 (fr)
DE (1) DE102013013777A1 (fr)
ES (1) ES2713501T3 (fr)
WO (1) WO2015024926A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1630006C3 (de) * 1967-12-18 1974-09-26 Glaswerke Haller Gmbh, 4983 Kirchlengern Winkelspiegel, insbesondere für gepanzerte Fahrzeuge
DE1910523A1 (de) 1969-03-01 1970-09-24 Keller & Knappich Gmbh Vorrichtung an Panzer- oder Kampffahrzeugen od.dgl.
DE6941812U (de) 1969-10-27 1970-04-02 Kurt Huebner K G Schutzkappe fuer winkelspiegel
US7056119B2 (en) * 2001-11-29 2006-06-06 Lsa, Inc. Periscopic optical training system for operators of vehicles
US8264770B2 (en) * 2007-11-29 2012-09-11 Oasis Advanced Engineering, Inc. Multi-purpose periscope with display and overlay capabilities
DE102011122199A1 (de) * 2011-12-23 2013-06-27 Isoclima S.P.A. Glasscheibenaufbau mit elektrochromer Schichteinrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2015024926A1 *

Also Published As

Publication number Publication date
ES2713501T3 (es) 2019-05-22
WO2015024926A1 (fr) 2015-02-26
DE102013013777A1 (de) 2015-02-26
EP3036496B1 (fr) 2018-12-12

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