EP3036496B1 - Device having an optical apparatus and a shutter - Google Patents

Device having an optical apparatus and a shutter Download PDF

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Publication number
EP3036496B1
EP3036496B1 EP14757876.9A EP14757876A EP3036496B1 EP 3036496 B1 EP3036496 B1 EP 3036496B1 EP 14757876 A EP14757876 A EP 14757876A EP 3036496 B1 EP3036496 B1 EP 3036496B1
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EP
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Prior art keywords
light
control electronics
interior
lcd window
photocells
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Active
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EP14757876.9A
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German (de)
French (fr)
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EP3036496A1 (en
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
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Rheinmetall Landsysteme GmbH
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Publication of EP3036496A1 publication Critical patent/EP3036496A1/en
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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 US 2003/0129567 A1 discloses a training system in which, in the OFF mode, the viewer can see the environment through the periscope in a normal manner.
  • the test system includes an optical device with which the surrounding terrain can be observed from the interior of the vehicle.
  • a dimming device can be switched by an electrical voltage from a light-transmitting to an opaque state and vice versa.
  • 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 ,
  • This object is achieved by the features of claim 1.
  • particularly advantageous embodiments of the invention disclose the dependent claims.
  • 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.
  • the control electronics with at least two, arranged in the interior of the vehicle or building photocells connected so that the photocells generate a signal that can be supplied to the control electronics when detecting a light source in the interior and the control electronics then switch 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. Since 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.
  • 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 covering 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 consists essentially of an LCD window 7, an associated with the LCD window 7 control electronics 8 and two photocells 9. 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 (not shown) adapted to the light sources mounted in the interior 4, so as to ensure that, for example, arranged on the angle mirror 2 in the tower of the main battle tank photocell 9 also switches when a Light source in the interior 4 of the vehicle is actuated.
  • 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-transmitting state.
  • an appropriate lag or delay time for the switching in the light-transmissive region by means of the control electronics 8 are provided (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

Description

Die Erfindung betrifft eine Vorrichtung mit einer optischen Einrichtung, insbesondere einem Winkelspiegel, einer Visieroptik, einem Periskop oder dgl., mit der aus dem Innenraum eines Fahrzeuges oder eines Gebäudes das umgebende Gelände beobachtbar ist, und einer Abblendeinrichtung zur Verhinderung des Austretens von Licht aus dem Innenraum des Fahrzeuges oder Gebäudes.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.

Um bei gepanzerten Fahrzeugen mit Winkelspiegeln zu verhindern, dass Nachts Licht der Innenbeleuchtung durch die Winkelspiegel nach außen austritt und ein Gegner das Fahrzeug orten kann, ist es beispielsweise aus dem Dokument DE 6941812 U bekannt, die Winkelspiegel mit mechanischen Schutzkappen abzudecken. Allerdings ist aufgrund der häufig hohen Anzahl eingesetzter Winkelspiegel in einem gepanzerten Fahrzeug dieser Abdeckvorgang relativ zeitaufwendig.To prevent in armored vehicles with angle mirrors that at night light of the interior lighting through the angle mirror escapes to the outside and an opponent can locate the vehicle, it is for example from the document DE 6941812 U known to cover the angle mirrors with mechanical caps. However, due to the frequently high number of used angle mirrors in an armored vehicle, this covering process is relatively time-consuming.

In dem Dokument DE 1910523 A1 wird daher bereits vorgeschlagen, zur Verhinderung des Austretens von Licht aus dem Fahrzeuginnenraum eine schwenkbare Blende zur Unterbrechung des Strahlenganges durch die optische Einrichtung vorzusehen. Diese Blende ist durch einen an den Stromkreis der Innenbeleuchtung des Fahrzeuges anschließbaren Elektromagneten in eine den Strahlengang der optischen Vorrichtung unterbrechende Stellung betätigbar.In the document DE 1910523 A1 Therefore, it is already proposed to provide a pivotable diaphragm for interrupting the escape 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.

Nachteilig ist bei Verwendung dieser bekannten Abblendeinrichtung der relativ große Platzaufwand für die schwenkbare Blende. Außerdem kann eine derartige Abblendeinrichtung nur mit außerordentlich großem Aufwand nachträglich an den bereits vorhandenen optischen Einrichtungen (Winkelspiegeln etc.) angeordnet werden.A disadvantage is the use of this known Abblendeinrichtung the relatively large space requirement for the pivotable aperture. In addition, such Abblendeinrichtung can be arranged only with great effort subsequently to the existing optical devices (angle mirrors, etc.).

Die US 2003/0129567 A1 offenbart ein Trainingssystem, bei dem im OFF-Modus der Betrachter die Umgebung in einer normalen Art und Weise durch das Periskop sehen kann. Das Testsystem umfasst eine optische Einrichtung, mit der aus dem Innenraum des Fahrzeugs das umgebene Gelände beobachtet werden kann. Eine Abblendvorrichtung ist durch eine elektrische Spannung umschaltbar von einem lichtdurchlässigen in einen lichtundurchlässigen Zustand und umgekehrt.The US 2003/0129567 A1 discloses a training system in which, in the OFF mode, the viewer can see the environment through the periscope in a normal manner. The test system includes an optical device with which the surrounding terrain can be observed from the interior of the vehicle. A dimming device can be switched by an electrical voltage from a light-transmitting to an opaque state and vice versa.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung mit einer Abblendeinrichtung anzugeben, die auf einfache Weise auch nachträglich an vorhandene optische Einrichtungen, wie Winkelspiegeln, Visieroptiken etc., angeordnet werden kann und möglichst schnell automatisch oder manuell eine Unterbrechung des Strahlenganges durch die optische Einrichtung bewirkt.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. Weitere, besonders vorteilhafte Ausgestaltungen der Erfindung offenbaren die Unteransprüche.
Die Erfindung beruht im Wesentlichen auf dem Gedanken, als Abblendeinrichtung der erfindungsgemäßen Vorrichtung ein durch eine elektrische Spannung umschaltbares LCD-Fenster und eine mit dem LCD-Fenster verbundene Steuerelektronik zu verwenden, mit Hilfe der das LCD-Fenster von einem lichtdurchlässigen in einen lichtundurchlässigen Zustand, und umgekehrt, umschaltbar ist.
Dabei kann das LCD-Fenster, welches auch als schaltbare Verglasung bezeichnet wird, innenraumseitig oder außenseitig an der optischen Vorrichtung angeordnet sein. Allerdings hat es sich als zweckmäßig erwiesen, das LCD-Fenster innenraumseitig anzuordnen, weil es hier besser vor mechanischen Beschädigungen geschützt ist.
Zur automatischen Umschaltung von dem lichtdurchlässigen in den lichtundurchlässigen Zustand, und vorzugsweise auch umgekehrt, ist die Steuerelektronik mit mindestens zwei, im Innenraum des Fahrzeuges oder Gebäudes angeordneten Fotozellen verbunden, so dass die Fotozellen beim Detektieren einer Lichtquelle im Innenraum ein der Steuerelektronik zuführbares Signal erzeugen, und die Steuerelektronik das LCD-Fenster dann von dem lichtdurchlässigen in den lichtundurchlässigen Zustand schaltet. Beim Abschalten der Lichtquellen erzeugen die Fotozellen wiederum ein der Steuerelektronik zuführbares Signal, welches dann das LCD-Fenster von dem lichtundurchlässigen in den lichtdurchlässigen Zustand zurückschaltet.
Da die erfindungsgemäße Vorrichtung keine mechanischen Teile enthält ist es praktisch wartungsfrei.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 ,
This object is achieved by the features of claim 1. Further, particularly advantageous embodiments of the invention disclose the dependent claims.
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.
In this case, the LCD window, which is also referred to as switchable glazing, be arranged on the inside or outside of the optical device. However, it has proven to be expedient to arrange the LCD window on the interior side, because it is better protected against mechanical damage here.
For automatic switching from the translucent to the opaque state, and preferably vice versa, the control electronics with at least two, arranged in the interior of the vehicle or building photocells connected so that the photocells generate a signal that can be supplied to the control electronics when detecting a light source in the interior and the control electronics then switch the LCD window from the translucent to the opaque state. 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.
Since the device according to the invention contains no mechanical parts, it is virtually maintenance-free.

Um die Sicht durch die optische Einrichtung auch dann zu ermöglichen, wenn die Innenbeleuchtung des Kampfraumes eingeschaltet ist, ist bei einem Ausführungsbeispiel der Erfindung vorgesehen, dass innenraumseitig an der optischen Einrichtung ein mit der Steuerelektronik verbundener Druckschalter angeordnet ist. Für die Dauer der Betätigung dieses Druckschalters schaltet das LCD-Fenster dann von dem lichtundurchlässigen in den lichtdurchlässigen Zustand um, auch wenn die Fotozellen eine Lichtquelle in dem Innenraum detektieren sollten.In order to enable the view through the optical device even when the interior lighting of the combat area is turned on, it is provided in one embodiment of the invention that 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.

Statt Verwendung eines Druckschalters kann aber auch vorgesehen werden, dass die Fotozellen mit einer Abdeckeinrichtung versehen sind, so dass sie kein Licht detektieren und die Steuerelektronik das LCD-Fenster automatisch in den Sichtzustand schaltet.Instead of using a pressure switch but can also be provided that the photocells are provided with a covering so that they do not detect light and the control electronics automatically switches the LCD window in the visual state.

Durch Verwendung zusätzlicher IR- und/oder UV-Filter kann verhindert werden, dass Strahlung in diesen Wellenlängenbereichen aus dem Innenraum nach außen dringen kann.By using additional IR and / or UV filters can be prevented that radiation in these wavelength ranges from the interior can escape to the outside.

Außerdem kann mit Hilfe eines Laserfilters das Eindringen von Laserstrahlen in die optische Einrichtung verhindert werden, so dass bei Laserbestrahlung der optischen Einrichtungen durch einen Gegner Augenverletzungen des die optische Einrichtung benutzenden Beobachters vermieden werden.In addition, with the aid of a laser filter, 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.

Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus dem folgenden, anhand einer Figur beschriebenen Ausführungsbeispiel.Further details and advantages of the invention will become apparent from the following, described with reference to a figure embodiment.

In der Figur ist mit 1 eine erfindungsgemäße Vorrichtung bezeichnet, die als optische Einrichtung einen Winkelspiegel 2 umfasst. Der Winkelspiegel 2 ragt durch die obere Wand 3, beispielsweise des Turmes eines Kampfpanzers, hindurch, so dass ein Beobachter von dem Innenraum 4 des Fahrzeuges das umgebende Gelände 5 beobachten kann.In the figure, 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.

An dem Winkelspiegel 2 ist innenraumseitig eine Abblendeinrichtung 6 befestigt. Diese besteht im Wesentlichen aus einem LCD-Fenster 7, einer mit dem LCD-Fenster 7 verbundenen Steuerelektronik 8 und zwei Fotozellen 9. Zur Stromversorgung des LCD-Fensters 7, der Steuerelektronik 8 und der Fotozellen 9 ist eine entsprechende Spannungsquelle 10 vorgesehen.At the angle mirror 2, a dimming device 6 is fastened on the inside. This consists essentially of an LCD window 7, an associated with the LCD window 7 control electronics 8 and two photocells 9. To power the LCD window 7, the control electronics 8 and the photocells 9, a corresponding voltage source 10 is provided.

Außerdem sind an dem Winkelspiegel 2 außenseitig sowohl ein IR- und UV-Filter 11 als auch ein Laserfilter 12 angeordnet.In addition, both an IR and UV filters 11 and a laser filter 12 are arranged on the outside of the angle mirror 2.

Nachfolgend wird näher auf die Funktionsweise der erfindungsgemäßen Vorrichtung 1 eingegangen:
Zunächst wird mit Hilfe der Steuerelektronik 8 die Empfindlichkeit der beiden Fotozellen 9 auf die im Innenraum 4 angebrachten Lichtquellen (nicht dargestellt) angepasst, damit sichergestellt ist, dass z.B. die an dem Winkelspiegel 2 im Turm des Kampfpanzers angeordnete Fotozelle 9 auch dann schaltet, wenn eine Lichtquelle im Innenraum 4 des Fahrzeuges betätigt wird.In the following, the functionality of the device 1 according to the invention will be described in more detail:
First, with the help of the control electronics 8, the sensitivity of the two photocells 9 (not shown) adapted to the light sources mounted in the interior 4, so as to ensure that, for example, arranged on the angle mirror 2 in the tower of the main battle tank photocell 9 also switches when a Light source in the interior 4 of the vehicle is actuated.

Sobald eine der Fotozellen 9 eine Lichtquelle detektiert, wird ein entsprechendes Signal der Steuerelektronik 8 zugeführt, die dann das LCD-Fenster 7 innerhalb weniger Millisekunden in ihren lichtundurchlässigen Zustand umschaltet, so dass kein sichtbares Licht durch den Winkelspiegel 2 nach außen dringen kann.As soon as one of the photocells 9 detects a light source, 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.

Erlischt die Lichtquelle im Innenraum 4 des Fahrzeuges, so erzeugt die entsprechende Fotozelle 9 erneut ein Signal und die Steuerelektronik 8 bewirkt ein Umschalten des LCD-Fensters 7 in ihren lichtdurchlässigen Zustand. Dabei kann eine entsprechende Nachlauf- oder Verzögerungszeit für das Umschalten in den lichtdurchlässigen Bereich mit Hilfe der Steuerelektronik 8 vorgesehen werden (z.B. 0,5 Sekunden).If the light source in the interior 4 of the vehicle extinguishes, the corresponding photocell 9 again generates a signal, and the electronic control unit 8 causes the LCD window 7 to be switched to its light-transmitting state. In this case, an appropriate lag or delay time for the switching in the light-transmissive region by means of the control electronics 8 are provided (for example, 0.5 seconds).

Die Abblendeinrichtung 6 wird ständig durch die Spannungsquelle 10 (z.B. das Bordnetz des Fahrzeuges) mit Energie versorgt und befindet sich somit immer dann im Betriebszustand, wenn der Kampfpanzer benutzt wird. Dadurch wird sichergestellt, dass kein Licht aus dem Innenraum 4 des Fahrzeuges nach außen dringen kann.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.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Vorrichtungcontraption
22
optische Einrichtung, Winkelspiegeloptical device, angle mirror
33
Wandwall
44
Innenrauminner space
55
Geländeterrain
66
Abblendeinrichtungscreening device
77
LCD-FensterLCD window
88th
Steuerelektronikcontrol electronics
99
Fotozellephotocell
1010
Spannungsquellevoltage source
1111
IR- und UV-FilterIR and UV filters
1212
Laserfilterlaser filter

Claims (7)

  1. Apparatus comprising an optical device (2), with which the surrounding terrain (5) is observable from the interior (4) of a vehicle or of a building, and a shutter device (6) for preventing the emergence of light from the interior (4) of the vehicle or building, wherein the shutter device (6) comprises an LCD window (7), which is switchable by an electrical voltage, and control electronics (8) connected to the LCD window (7), with the aid of which control electronics the LCD window (7) is switchable from a light-transmissive state to a light-nontransmissive state, and vice versa, characterized in that the control electronics (8) are operatively connected to at least two photocells (9) arranged in the interior (4), in such a way that the photocells (9), upon detecting a light source, generate a signal that is feedable to the control electronics (8), and the control electronics (8) then switch the LCD window (7) from the light-transmissive state to the light-nontransmissive state.
  2. Apparatus according to Claim 1, characterized in that, upon the light sources being switched off, the photocells (9) likewise generate a signal that is feedable to the control electronics (8), which signal then switches the LCD window (7) from the light-nontransmissive state to the light-transmissive state.
  3. Apparatus according to Claim 1, characterized in that the LCD window (7) is arranged at the optical device (2) at the interior side or at the exterior side.
  4. Apparatus according to any of Claims 1 to 3, characterized in that the photocells (9) are provided with a covering device.
  5. Apparatus according to any of Claims 1 to 3, characterized in that a pressure switch connected to the control electronics (8) is arranged at the optical device (2) at the interior side, upon the actuation of which pressure switch the LCD window (7) is switchable from the light-nontransmissive state to the light-transmissive state even if the photocells (9) detect a light source in the interior (4) .
  6. Apparatus according to any of Claims 1 to 5, characterized in that an IR filter and/or a UV filter (11) and/or a laser filter (12) are/is arranged at the optical device (2) at the interior side or at the exterior side.
  7. Apparatus according to any of Claims 1 to 6, characterized in that the optical device (2) is an angular mirror, a sighting optical unit, a periscope or the like.
EP14757876.9A 2013-08-21 2014-08-19 Device having an optical apparatus and a shutter Active EP3036496B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310013777 DE102013013777A1 (en) 2013-08-21 2013-08-21 Device with an optical device and a dimming device
PCT/EP2014/067642 WO2015024926A1 (en) 2013-08-21 2014-08-19 Device having an optical apparatus and an anti-dazzle device

Publications (2)

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

Family

ID=51429263

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EP14757876.9A Active EP3036496B1 (en) 2013-08-21 2014-08-19 Device having an optical apparatus and a shutter

Country Status (4)

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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1630006C3 (en) * 1967-12-18 1974-09-26 Glaswerke Haller Gmbh, 4983 Kirchlengern Corner mirrors, in particular for armored vehicles
DE1910523A1 (en) 1969-03-01 1970-09-24 Keller & Knappich Gmbh Device on armored or combat vehicles or the like.
DE6941812U (en) 1969-10-27 1970-04-02 Kurt Huebner K G PROTECTIVE CAP FOR ANGLE MIRROR
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 (en) * 2011-12-23 2013-06-27 Isoclima S.P.A. Glass pane construction e.g. bulletproof glass pane used for motor vehicle, has transparent pane and layers comprising glass or synthetic material, which are connected in layered laminate by transparent ultraviolet filtering layer unit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2015024926A1 (en) 2015-02-26
ES2713501T3 (en) 2019-05-22
DE102013013777A1 (en) 2015-02-26
EP3036496A1 (en) 2016-06-29

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