EP1548675A1 - Cover for surveillance camera - Google Patents

Cover for surveillance camera Download PDF

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Publication number
EP1548675A1
EP1548675A1 EP04030217A EP04030217A EP1548675A1 EP 1548675 A1 EP1548675 A1 EP 1548675A1 EP 04030217 A EP04030217 A EP 04030217A EP 04030217 A EP04030217 A EP 04030217A EP 1548675 A1 EP1548675 A1 EP 1548675A1
Authority
EP
European Patent Office
Prior art keywords
cover
tube
surveillance camera
lens
motion detector
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
EP04030217A
Other languages
German (de)
French (fr)
Other versions
EP1548675B1 (en
Inventor
Martin Dipl.-Ing. Timm
Michael Dr.-Ing. Fischell
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.)
Airbus Operations GmbH
Original Assignee
Airbus Operations 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 Airbus Operations GmbH filed Critical Airbus Operations GmbH
Publication of EP1548675A1 publication Critical patent/EP1548675A1/en
Application granted granted Critical
Publication of EP1548675B1 publication Critical patent/EP1548675B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19695—Arrangements wherein non-video detectors start video recording or forwarding but do not generate an alarm themselves
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/19619—Details of casing
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19639—Details of the system layout
    • G08B13/19647—Systems specially adapted for intrusion detection in or around a vehicle
    • G08B13/1965—Systems specially adapted for intrusion detection in or around a vehicle the vehicle being an aircraft
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B15/00—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives
    • G08B15/001—Concealed systems, e.g. disguised alarm systems to make covert systems

Definitions

  • the invention relates to a cover for a monitoring device, in particular for a surveillance camera with a lens and a lens surrounding it Tube and arranged outside the tube illumination device and / or a motion detector.
  • surveillance cameras are widely used in all security-related areas.
  • surveillance cameras for example, in the Cabins of civilian aircraft integrated around the cockpit door, the passenger doors, the passenger cabin or other hazardous areas as inconspicuous as possible check.
  • surveillance cameras preferably work in invisible, near infrared, but also in the area of the human Be sensitive to the eye's visible light. Even in the dark or at night flights is to ensure the reliable use of surveillance cameras is additionally provided an infrared illumination for illuminating the receiving area.
  • the prior art is a spatial separation between the camera optics and the Infrared lighting.
  • the Cover When integrating the infrared radiator in a housing, the Cover usually made of several different materials. The structure of the cover made of different materials prevents under other reflections that can significantly degrade image quality.
  • the surveillance camera is or the lens of an opaque tube made of plastic material Surrounded by a glare of the surveillance camera through the infrared lighting largely prevent.
  • the tube is on the to the object of admission pointing side for translucent light in the visible range cover made of plastic or glass.
  • the surveillance camera or the motion detector is therefore visible from the outside to the human eye, whereby the Camouflage of the monitoring device affected by the previously known cover is.
  • the lighting device surrounding the tube can, for example from a ring arranged in a circle and evenly to each other spaced, infrared radiation emitting infrared light emitting diodes (IRED) formed be.
  • IRED infrared radiation emitting infrared light emitting diodes
  • a disadvantage of this previously known embodiment of a cover for a monitoring device is that their three-part construction as a result of the necessary Connections of the items constructively complex and therefore designed expensive. In particular, the manufacturing connection of the items is difficult and consequently expensive.
  • an effective camouflage is the surveillance camera and therefore the entire arrangement because of the visible Light-permeable cover of the tube is not given. So for example small, relatively low-profile, so-called pinhead ("spy Lenses - used to provide adequate camouflage at all To ensure security camera.
  • the previously known cover forms no continuous, outward-facing surface, so cleaning work be made more difficult.
  • the cover is integrally formed and essentially only permeable to infrared radiation.
  • Fig. 1 shows the cover 1 of the invention for a surveillance camera 2 and / or a motion detector not shown in the drawing in a side view.
  • the surveillance camera 2 is preferably substantially sensitive to near infrared radiation and is equipped with an additional objective 3.
  • Both the surveillance camera 2 and the lens 3 are concentric around an optical axis 4 is arranged.
  • the objective 3 or the surveillance camera 2 are surrounded by a glare protection device 5.
  • the cover 1 according to FIG. 1 the anti-glare device 5 as a tube 6, which is arranged rotationally symmetrically about the optical axis 4.
  • the anti-glare device 5 deviating from the circular cross-sectional geometry shown an elliptical, have a square, rectangular or polygonal cross-section.
  • the tube 6 in the embodiment of FIG. 1 is used primarily to crossfades the security camera 2 by the adjunct lighting device 7 to avoid.
  • the tube 6 is made of a visible light and for In the near infrared, impermeable material is formed.
  • As a material For example, through-colored plastic, metallic materials are used for the tube or the like.
  • the illumination device comprises 7 a total of eight bulbs 8, the circular around the optical Axis 4 are arranged around and each having an equal distance to the adjacent Have light-emitting means (see Fig. 2).
  • the lighting device 7 is required, for example, in complete darkness, as in the case of Night flights occurs, a sufficient exposure of the security camera 2 or To ensure illumination of the recording object to be recorded by her. Even in daylight can provide additional illumination of the recording area the security camera 2 may be required.
  • the light-emitting means 8 are in the illustrated embodiment as infrared light-emitting diodes 9 formed, which emit substantially radiation in the near infrared range. deviant from the illustration of the illumination device 7 shown in FIGS. 1, 2 is a different number of infrared light emitting diodes 9 and / or a deviating geometric arrangement of the infrared light emitting diodes in the room possible, without leaving the basic idea of the invention. Finally, as Bulbs 8 are also used luminous bodies, based on a different technology as the illustrated infrared light emitting diodes 9 are based. To think about is in this context For example, to infrared lasers, infrared laser diodes or special Incandescent lamps and the like.
  • Infrared LEDs 9 have in comparison to others Bulbs have a long life, are largely insensitive to Shakes and are therefore low maintenance. Therefore, be related with the cover 1 according to the invention preferably infrared light emitting diodes to illuminate the surveillance area in front of the camera or used the monitoring room.
  • the cover 11 is made of a continuous, manufactured in one piece material, which is essentially only for radiation in the near Infrared region is permeable.
  • the cover 11 is preferably made of a Plastic manufactured to a low mass and at the same time a high resistance to breakage to reach. Alternatively, because of the possibly better optical Properties are also used in glass. But plastic has opposite glass as a material has the advantage that in case of destruction of the cover 11 no dangerous splinters arise. Alternatively, other materials or material combinations may be used be used.
  • the cover 11 rests on the edge 10 of the tube 6 (see Fig. 1).
  • alternative To this embodiment is also a compound of the tube 6 with the cover 11, for example by gluing conceivable, so that this an integral Part of the cover 11 forms.
  • the tube 6 with the Cover 11 screwed, riveted or otherwise firmly with this connected.
  • plate-shaped cover 11 can a Viewer neither the lighting device 7 nor the surveillance camera. 2 with the upstream lens 3 from the outside easily recognize. From this This results in a large safety gain for the monitoring tasks mentioned above in the field of civil aviation as a result of better camouflage Surveillance camera through the cover 11 of the invention.
  • the cover 11 may also be mirrored to the recognizability the surveillance camera 2 and / or the motion detector on.
  • a mirrored version of the cover 11 allows a better optical integration of the cover 1 in special, predetermined interior equipment environments of passenger planes and other means of passenger transport.
  • the cover 11, for example, formed as a large mirror be who the surveillance camera 2 with the lighting device 7 and / or makes the motion detector almost invisible to observers.
  • the inventive Cover 1 also allows optimal camouflage large, bright and thus strong picture lenses 3. The use of poor picture Pinhead or "spy hole” lenses are no longer required. Finally, the cover 1 ensures optimum mechanical lens protection.
  • the cover 11 is for example circular.
  • the cover 11 may also have a deviating, any geometric design.
  • the cover 11 may also have a deviating from the planar shape cross-section and, for example, be corrugated or provided with a surface structure.
  • the infrared light emitting diodes 9 positioned below the cover 11 below the cover 11 .
  • the surveillance camera 2 with the lens 3 is concentrically surrounded by the tube 6 (also indicated by dashed lines).
  • the tube 6 also indicated by dashed lines.
  • Deviating geometric arrangements are possible. So, for example the tube 6 and / or the objective 3 are positioned eccentrically to the monitoring camera 2 be.
  • motion detector also is positioned in the area of the surveillance camera 2.
  • the motion detector indicates the detection of movements of a subject in the recording area the surveillance camera 2 in a known manner at least two sensor areas on.
  • the motion detector is designed so that this particular is sensitive to infrared radiation. A movement is caused by the motion detector detected in a known manner by different sensor areas of the motion detector in chronological succession to the incident infrared radiation respond and deliver appropriate signals to an evaluation.
  • the lens 3 is in this embodiment at least partially as Fresnel lens formed on the optical axis 4 incoming light on different areas of the motion detector deflects and thus the motion detection of recording objects in front of the surveillance camera.
  • the cover 11 is designed, the incident light in turn to certain areas of the lens 3 directs.
  • the lens Account for 3 in this variant the cover 11 then partially as Fresnel lens is formed, which in turn determines the impinging radiation on certain Areas of the motion detector deflects.
  • one-piece and continuous cover 11 is a good camouflage of Surveillance camera 2 given, so that large and strong picture lenses 3 can be used.
  • the cover 11 of the invention leaves the surveillance camera 2 is almost "invisible" in given interior furnishing environments of civil passenger aircraft in particular.
  • the one-piece design of the cover 11 is a cost-effective production given.
  • the detachment of parts by vibrations, etc. is preferred because of one-piece design of the cover 11 also impossible.
  • Lighting device according to the invention are still the luggage and cargo areas in civil and military aircraft.
  • lighting device according to the invention is not on the application in Area of civil passenger aviation limited.
  • Conceivable are applications in other safety-related areas, such as room monitoring in buildings, surveillance of outside areas and passenger areas in transport facilities for public local and long-distance transport.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Studio Devices (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Telephone Set Structure (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

From outside a blanking-out mask (1) for a monitoring device is as good as invisible to an observer and consequently well camouflaged. Large powerful imaging lenses (3) can be inserted for a monitoring camera (2) because of the good camouflaging properties. A simple structure is produced because the blanking-out mask forms just a single piece. A surface pointing outwards has a flat shape.

Description

Die Erfindung betrifft eine Abdeckung für eine Überwachungseinrichtung, insbesondere für eine Überwachungskamera mit einem Objektiv und einem das Objektiv umgebenden Tubus sowie einer außerhalb des Tubus angeordneten Beleuchtungseinrichtung und/oder einen Bewegungsmelder.The invention relates to a cover for a monitoring device, in particular for a surveillance camera with a lens and a lens surrounding it Tube and arranged outside the tube illumination device and / or a motion detector.

Überwachungseinrichtungen, insbesondere Überwachungskameras und Bewegungsmelder, finden auf allen sicherheitsrelevanten Gebieten weit verbreitet Anwendung. Häufig werden derartige Überwachungskameras beispielsweise in die Kabinen von zivilen Flugzeugen integriert, um die Cockpittür, die Passagiertüren, die Passagierkabine oder andere gefahrgeneigte Bereiche möglichst unauffällig zu kontrollieren. Derartige Überwachungskameras arbeiten bevorzugt im nicht sichtbaren, nahen Infrarotbereich, können aber auch im Bereich des für das menschliche Auge sichtbaren Lichts empfindlich sein. Um auch bei Dunkelheit oder bei Nachtflügen den zuverlässigen Einsatz der Überwachungskameras zu gewährleisten, ist zusätzlich eine Infrarotbeleuchtung zur Ausleuchtung des Aufnahmebereichs vorgesehen. Monitoring devices, in particular surveillance cameras and motion detectors, are widely used in all security-related areas. Frequently, such surveillance cameras, for example, in the Cabins of civilian aircraft integrated around the cockpit door, the passenger doors, the passenger cabin or other hazardous areas as inconspicuous as possible check. Such surveillance cameras preferably work in invisible, near infrared, but also in the area of the human Be sensitive to the eye's visible light. Even in the dark or at night flights is to ensure the reliable use of surveillance cameras is additionally provided an infrared illumination for illuminating the receiving area.

Stand der Technik ist eine räumliche Trennung zwischen der Kameraoptik und der Infrarotbeleuchtung. Bei der Integration der Infrarotstrahler in ein Gehäuse wird die Abdeckscheibe üblicherweise aus mehreren unterschiedlichen Materialien gefertigt. Der Aufbau der Abdeckscheibe aus unterschiedlichen Materialien verhindert unter anderem Reflexionen, die die Bildqualität erheblich verschlechtern können.The prior art is a spatial separation between the camera optics and the Infrared lighting. When integrating the infrared radiator in a housing, the Cover usually made of several different materials. The structure of the cover made of different materials prevents under other reflections that can significantly degrade image quality.

Bei einer vorbekannten Ausführungsform einer Abdeckung ist die Überwachungskamera bzw. deren Objektiv von einem undurchsichtigen Tubus aus Kunststoffmaterial umgeben, um eine Blendung der Überwachungskamera durch die Infrarotbeleuchtung weitgehend zu verhindern. Im Tubus ist auf der zum Aufnahmeobjekt weisenden Seite eine für Licht im sichtbaren Bereich durchlässige Abdeckscheibe aus Kunststoff oder Glas angeordnet. Die Überwachungskamera bzw. der Bewegungsmelder ist daher von Außen für das menschliche Auge sichtbar, wodurch die Tarnung der Überwachungseinrichtung mit der vorbekannten Abdeckscheibe beeinträchtigt ist. Die den Tubus umgebende Beleuchtungseinrichtung kann beispielsweise aus einem Ring kreisförmig angeordneter und gleichmäßig zueinander beabstandeter, Infrarotstrahlung abgebender Infrarotleuchtdioden (IRED) gebildet sein. Üblicherweise sind das Kameraobjektiv, der Tubus sowie die Beleuchtungseinrichtung konzentrisch in Bezug auf die optische Achse der Überwachungskamera ausgebildet. Es finden aber auch hiervon abweichende geometrische Anordnungen Verwendung. An der umlaufenden Außenkante des Tubus schließt allseitig eine nahezu ausschließlich für Infrarotlicht transparente Abdeckscheibe an, um zumindest die Beleuchtungseinrichtung für einen Betrachter unauffällig abzudecken. Durch diese insgesamt dreiteilige konstruktive Ausgestaltung der vorbekannten Abdeckung ist unter anderem sichergestellt, dass zumindest die Beleuchtungseinrichtung für das menschliche Auge nicht ohne weiteres sichtbar ist. Die Oberseite einer derartig gestalteten Abdeckung ist jedoch nicht völlig plan, weil der nach Außen weisende, obere Rand des Tubus, die Oberseite der für sichtbares Licht durchsichtigen Abdeckscheibe des Tubus und die Oberseite der ausschließlich für Infrarotlicht durchlässigen Abdeckscheibe keine ebene Oberfläche bilden.In a prior art embodiment of a cover, the surveillance camera is or the lens of an opaque tube made of plastic material Surrounded by a glare of the surveillance camera through the infrared lighting largely prevent. In the tube is on the to the object of admission pointing side for translucent light in the visible range cover made of plastic or glass. The surveillance camera or the motion detector is therefore visible from the outside to the human eye, whereby the Camouflage of the monitoring device affected by the previously known cover is. The lighting device surrounding the tube can, for example from a ring arranged in a circle and evenly to each other spaced, infrared radiation emitting infrared light emitting diodes (IRED) formed be. Usually, the camera lens, the tube and the lighting device concentric with respect to the optical axis of the surveillance camera educated. But there are also deviating geometric arrangements Use. At the peripheral outer edge of the tube closes on all sides almost exclusively for infrared light transparent cover to at least cover the lighting device inconspicuously for a viewer. Through this overall three-part structural design of the prior art cover Among other things it is ensured that at least the lighting device is not readily apparent to the human eye. The top one However, such designed cover is not completely flat, because the outside pointing, upper edge of the tube, the top of the visible light transparent Cover of the tube and the top of the only for infrared light permeable cover plate do not form a flat surface.

Nachteilig an dieser vorbekannten Ausführungsform einer Abdeckung für eine Überwachungseinrichtung ist, dass sich deren dreiteiliger Aufbau infolge der notwendigen Verbindungen der Einzelteile konstruktiv aufwändig und daher teuer gestaltet. Insbesondere ist die fertigungstechnische Verbindung der Einzelteile schwierig und demzufolge kostenintensiv. Darüber hinaus ist eine effektive Tarnung der Überwachungskamera und damit der gesamten Anordnung wegen der für das sichtbare Licht durchlässigen Abdeckscheibe des Tubus nicht gegeben. So müssen beispielsweise kleine, relativ abbildungsschwache, so genannte Stecknadelkopf- ("spy hole")- Objektive verwendet werden, um überhaupt eine ausreichende Tarnung der Überwachungskamera sicherzustellen. Schließlich bildet die vorbekannte Abdeckung keine durchgehende, nach Außen hin plane Oberfläche, sodass Reinigungsarbeiten erschwert werden.A disadvantage of this previously known embodiment of a cover for a monitoring device is that their three-part construction as a result of the necessary Connections of the items constructively complex and therefore designed expensive. In particular, the manufacturing connection of the items is difficult and consequently expensive. In addition, an effective camouflage is the surveillance camera and therefore the entire arrangement because of the visible Light-permeable cover of the tube is not given. So for example small, relatively low-profile, so-called pinhead ("spy Lenses - used to provide adequate camouflage at all To ensure security camera. Finally, the previously known cover forms no continuous, outward-facing surface, so cleaning work be made more difficult.

Es ist Aufgabe der Erfindung, die vorgenannten Nachteile der bekannten Ausführungsform einer Abdeckscheibe für eine Überwachungskamera bzw. einen Bewegungsmelder zu vermeiden. Diese Aufgabe wird durch die Abdeckung gemäß dem Patentanspruch 1 gelöst. Erfindungsgemäß ist die Abdeckung einstückig ausgebildet und im Wesentlichen nur für Infrarotstrahlung durchlässig.It is an object of the invention, the aforementioned disadvantages of the known embodiment a cover for a surveillance camera or a motion detector to avoid. This object is achieved by the cover according to the Claim 1 solved. According to the invention the cover is integrally formed and essentially only permeable to infrared radiation.

Infolge der im Wesentlichen nur für Infrarotstrahlung durchlässigen Abdeckung ist eine gute Tarnung der Überwachungskamera gegeben, sodass abbildungsstarke Objektive mit einem großen Objektivdurchmesser eingesetzt werden können, ohne dass hierdurch die Tarnung beeinträchtigt wäre. Durch die einstückige Ausbildung der Abdeckung ist eine kostengünstige Herstellung gegeben. Zudem vermindert sich der Reinigungsaufwand infolge der ebenen Gestaltung der Abdeckung.Due to the essentially only for infrared radiation permeable cover given a good camouflage of the surveillance camera, so imaging strong Lenses with a large lens diameter can be used without that this would affect camouflage. By the one-piece training the cover is given a cost-effective production. In addition, reduced the cleaning effort due to the flat design of the cover.

Weiterbildungen und vorteilhafte Ausgestaltungen der Erfindung sind in weiteren Patentansprüchen niedergelegt. Weitere Vorteile ergeben sich aus der nachfolgenden Detailbeschreibung der Erfindung. Further developments and advantageous embodiments of the invention are in further Claims laid down. Further advantages will be apparent from the following Detailed description of the invention.

In der Zeichnung zeigen:

Fig. 1
Eine Seitenansicht der Abdeckung im Schnitt,
Fig. 2
eine Draufsicht auf die Abdeckung nach Maßgabe der Fig. 1,
In the drawing show:
Fig. 1
A side view of the cover in section,
Fig. 2
a top view of the cover according to the Fig. 1,

Die Fig. 1 zeigt die erfindungsgemäße Abdeckung 1 für eine Überwachungskamera 2 und/oder einen in der Zeichnung nicht näher dargestellten Bewegungsmelder in einer Seitenansicht. Die Überwachungskamera 2 ist vorzugsweise im Wesentlichen für Strahlung im nahen Infrarotbereich empfindlich und ist mit einem zusätzlichen Objektiv 3 ausgestattet. Fig. 1 shows the cover 1 of the invention for a surveillance camera 2 and / or a motion detector not shown in the drawing in a side view. The surveillance camera 2 is preferably substantially sensitive to near infrared radiation and is equipped with an additional objective 3.

Sowohl die Überwachungskamera 2 als auch das Objektiv 3 sind konzentrisch um eine optische Achse 4 angeordnet. Das Objektiv 3 bzw. die Überwachungskamera 2 sind von einer Blendschutzeinrichtung 5 umgeben. Im gezeigten Ausführungsbeispiel der Abdeckung 1 gemäß der Fig. 1 ist die Blendschutzeinrichtung 5 als Tubus 6 ausgebildet, der rotationssymmetrisch um die optische Achse 4 angeordnet ist. Hiervon abweichend sind aber auch andere geometrische Ausgestaltungen der Blendschutzeinrichtung 5 denkbar. Beispielsweise kann die Blendschutzeinrichtung 5 abweichend von der gezeigten kreisförmigen Querschnittsgeometrie einen elliptischen, einen quadratischen, rechteckigen oder einen vieleckigen Querschnitt aufweisen.Both the surveillance camera 2 and the lens 3 are concentric around an optical axis 4 is arranged. The objective 3 or the surveillance camera 2 are surrounded by a glare protection device 5. In the illustrated embodiment the cover 1 according to FIG. 1, the anti-glare device 5 as a tube 6, which is arranged rotationally symmetrically about the optical axis 4. Deviating from this, however, other geometric configurations of Anti-glare device 5 conceivable. For example, the anti-glare device 5 deviating from the circular cross-sectional geometry shown an elliptical, have a square, rectangular or polygonal cross-section.

Der Tubus 6 im Ausführungsbeispiel nach der Fig. 1 dient vor allem dazu, Überblendungen der Überwachungskamera 2 durch die beigeordnete Beleuchtungseinrichtung 7 zu vermeiden. Der Tubus 6 ist aus einem für sichtbares Licht und für Strahlung im nahen Infrarotbereich undurchlässigen Material gebildet. Als Material für den Tubus kommen beispielsweise durchgefärbter Kunststoff, metallische Materialien oder ähnliches in Betracht.The tube 6 in the embodiment of FIG. 1 is used primarily to crossfades the security camera 2 by the adjunct lighting device 7 to avoid. The tube 6 is made of a visible light and for In the near infrared, impermeable material is formed. As a material For example, through-colored plastic, metallic materials are used for the tube or the like.

Im gezeigten Ausführungsbeispiel der Erfindung gemäß Fig. 1 umfasst die Beleuchtungseinrichtung 7 insgesamt acht Leuchtmittel 8, die kreisförmig um die optische Achse 4 herum angeordnet sind und die jeweils einen gleichen Abstand zum benachbarten Leuchtmittel aufweisen (vgl. Fig. 2). Die Beleuchtungseinrichtung 7 ist erforderlich, um beispielsweise bei vollständiger Dunkelheit, wie sie im Falle von Nachtflügen eintritt, eine ausreichende Belichtung der Überwachungskamera 2 bzw. Ausleuchtung des von ihr aufzunehmenden Aufnahmeobjektes zu gewährleisten. Auch bei Tageslicht kann eine zusätzliche Ausleuchtung des Aufnahmebereiches der Überwachungskamera 2 erforderlich sein.In the exemplary embodiment of the invention shown in FIG. 1, the illumination device comprises 7 a total of eight bulbs 8, the circular around the optical Axis 4 are arranged around and each having an equal distance to the adjacent Have light-emitting means (see Fig. 2). The lighting device 7 is required, for example, in complete darkness, as in the case of Night flights occurs, a sufficient exposure of the security camera 2 or To ensure illumination of the recording object to be recorded by her. Even in daylight can provide additional illumination of the recording area the security camera 2 may be required.

Die Leuchtmittel 8 sind im gezeigten Ausführungsbeispiel als Infrarotleuchtdioden 9 ausgebildet, die im Wesentlichen Strahlung im nahen Infrarotbereich abgeben. Abweichend von der gezeigten Darstellung der Beleuchtungseinrichtung 7 in den Fig. 1, 2 ist eine abweichende Anzahl von Infrarotleuchtdioden 9 und/oder auch eine abweichende geometrische Anordnung der Infrarotleuchtdioden im Raum möglich, ohne den Grundgedanken der Erfindung zu verlassen. Schließlich können als Leuchtmittel 8 auch Leuchtkörper eingesetzt werden, die auf einer anderen Technologie als die gezeigten Infrarotleuchtdioden 9 basieren. Zu denken ist in diesem Zusammenhang beispielsweise an Infrarotlaser, Infrarotlaserdioden oder spezielle Glühlampen und dergleichen. Infrarotleuchtdioden 9 weisen im Vergleich zu anderen Leuchtmitteln eine hohe Lebensdauer auf, sind weitgehend unempfindlich gegen Erschütterungen und sind demzufolge wartungsarm. Daher werden im Zusammenhang mit der erfindungsgemäßen Abdeckung 1 bevorzugt Infrarotleuchtdioden zur Ausleuchtung des vor der Kamera befindlichen Überwachungsbereiches bzw. des Überwachungsraumes eingesetzt.The light-emitting means 8 are in the illustrated embodiment as infrared light-emitting diodes 9 formed, which emit substantially radiation in the near infrared range. deviant from the illustration of the illumination device 7 shown in FIGS. 1, 2 is a different number of infrared light emitting diodes 9 and / or a deviating geometric arrangement of the infrared light emitting diodes in the room possible, without leaving the basic idea of the invention. Finally, as Bulbs 8 are also used luminous bodies, based on a different technology as the illustrated infrared light emitting diodes 9 are based. To think about is in this context For example, to infrared lasers, infrared laser diodes or special Incandescent lamps and the like. Infrared LEDs 9 have in comparison to others Bulbs have a long life, are largely insensitive to Shakes and are therefore low maintenance. Therefore, be related with the cover 1 according to the invention preferably infrared light emitting diodes to illuminate the surveillance area in front of the camera or used the monitoring room.

Auf einer umlaufenden, von der Überwachungskamera 2 weggerichteten Kante 10 des Tubus 6 liegt eine ebene, plattenförmige Abdeckscheibe 11 auf, die die eigentliche Abdeckung 1 bildet. Die Abdeckscheibe 11 ist aus einem durchgehenden, einstückigen Material gefertigt, das im Wesentlichen nur für Strahlung im nahen Infrarotbereich durchlässig ist. Die Abdeckscheibe 11 ist vorzugsweise aus einem Kunststoff gefertigt, um ein geringe Masse und gleichzeitig eine hohe Bruchsicherheit zu erreichen. Alternativ kann wegen der unter Umständen besseren optischen Eigenschaften auch Glas verwendet werden. Kunststoff hat aber gegenüber Glas als Material den Vorteil, dass im Falle einer Zerstörung der Abdeckscheibe 11 keine gefährlichen Splitter entstehen. Alternativ können auch andere Materialien oder Materialkombinationen verwendet werden.On a circumferential edge 10 directed away from the surveillance camera 2 of the tube 6 is a flat, plate-shaped cover 11, which is the actual Cover 1 forms. The cover 11 is made of a continuous, manufactured in one piece material, which is essentially only for radiation in the near Infrared region is permeable. The cover 11 is preferably made of a Plastic manufactured to a low mass and at the same time a high resistance to breakage to reach. Alternatively, because of the possibly better optical Properties are also used in glass. But plastic has opposite glass as a material has the advantage that in case of destruction of the cover 11 no dangerous splinters arise. Alternatively, other materials or material combinations may be used be used.

Die Abdeckscheibe 11 liegt auf der Kante 10 des Tubus 6 auf (vgl. Fig. 1). Alternativ zu dieser Ausgestaltung ist auch eine Verbindung des Tubus 6 mit der Abdeckscheibe 11, beispielsweise durch Verklebung denkbar, sodass dieser einen integralen Bestandteil der Abdeckscheibe 11 bildet. Alternativ kann der Tubus 6 mit der Abdeckscheibe 11 verschraubt, vernietet oder auf andere Art und Weise fest mit dieser verbunden sein. In besonders vorteilhafter Weise wird der Tubus 6 bei einer Herstellung der Abdeckscheibe 11 im Spritzgussverfahren an diese mit angespritzt.The cover 11 rests on the edge 10 of the tube 6 (see Fig. 1). alternative To this embodiment is also a compound of the tube 6 with the cover 11, for example by gluing conceivable, so that this an integral Part of the cover 11 forms. Alternatively, the tube 6 with the Cover 11 screwed, riveted or otherwise firmly with this connected. In a particularly advantageous manner, the tube 6 at a Production of the cover 11 by injection molding of these molded with.

Auf Grund der im Wesentlichen nur für Infrarotstrahlung - nicht jedoch für Licht im sichtbaren Bereich - durchlässigen, plattenförmigen Abdeckscheibe 11 kann ein Betrachter weder die Beleuchtungseinrichtung 7 noch die Überwachungskamera 2 mit dem vorgeschalteten Objektiv 3 von Außen ohne weiteres erkennen. Hieraus ergibt sich ein großer Sicherheitsgewinn für die eingangs genannten Überwachungsaufgaben im Bereich der Zivilluftfahrt infolge einer besseren Tarnung der Überwachungskamera durch die erfindungsgemäße Abdeckscheibe 11.Because of essentially only for infrared radiation - but not for light in the visible area - permeable, plate-shaped cover 11 can a Viewer neither the lighting device 7 nor the surveillance camera. 2 with the upstream lens 3 from the outside easily recognize. From this This results in a large safety gain for the monitoring tasks mentioned above in the field of civil aviation as a result of better camouflage Surveillance camera through the cover 11 of the invention.

Zusätzlich kann die Abdeckscheibe 11 auch verspiegelt sein, um die Erkennbarkeit der Überwachungskamera 2 und/oder des Bewegungsmelders weiter zu verringern. Darüber hinaus ermöglicht eine verspiegelte Ausführung der Abdeckscheibe 11 eine bessere optische Integration der Abdeckung 1 in spezielle, vorgegebene Innenausstattungsumfelder von Passagierflugzeugen und anderen Personentransportmitteln. So kann die Abdeckscheibe 11 beispielsweise als großflächiger Spiegel ausgebildet sein, der die Überwachungskamera 2 mit der Beleuchtungseinrichtung 7 und/oder den Bewegungsmelder nahezu unsichtbar für Beobachter werden lässt. Die erfindungsgemäße Abdeckung 1 ermöglicht darüber hinaus auch eine optimale Tarnung großer, lichtstarker und damit abbildungsstarker Objektive 3. Die Verwendung abbildungsschwacher Stecknadelkopf- bzw. "spy hole"- Objektive ist nicht mehr erforderlich. Schließlich gewährleistet die Abdeckung 1 einen optimalen mechanischen Objektivschutz. In addition, the cover 11 may also be mirrored to the recognizability the surveillance camera 2 and / or the motion detector on. In addition, a mirrored version of the cover 11 allows a better optical integration of the cover 1 in special, predetermined interior equipment environments of passenger planes and other means of passenger transport. Thus, the cover 11, for example, formed as a large mirror be who the surveillance camera 2 with the lighting device 7 and / or makes the motion detector almost invisible to observers. The inventive Cover 1 also allows optimal camouflage large, bright and thus strong picture lenses 3. The use of poor picture Pinhead or "spy hole" lenses are no longer required. Finally, the cover 1 ensures optimum mechanical lens protection.

Die Fig. 2 zeigt eine Draufsicht der erfindungsgemäßen Abdeckung 1 mit der ebenen, plattenförmigen Abdeckscheibe 11. In der Fig. 2 ist die Abdeckscheibe 11 beispielsweise kreisförmig ausgeführt. Die Abdeckscheibe 11 kann aber auch eine hiervon abweichende, beliebige geometrische Gestaltung aufweisen. So ist es beispielsweise denkbar, der plattenförmigen Abdeckscheibe 11 eine quadratische, eine rechteckige, eine vieleckige oder eine elliptische Gestalt zu geben. Weiterhin kann die Abdeckscheibe 11 auch einen von der ebenen Gestalt abweichenden Querschnitt aufweisen und beispielsweise gewellt oder mit einer Oberflächenstruktur versehen sein. 2 shows a plan view of the cover 1 according to the invention with the flat, plate-shaped cover 11. In Fig. 2, the cover 11 is for example circular. The cover 11 may also have a deviating, any geometric design. Thus, it is conceivable, for example, to give the plate-shaped cover plate 11 a square, a rectangular, a polygonal or an elliptical shape. Furthermore, the cover 11 may also have a deviating from the planar shape cross-section and, for example, be corrugated or provided with a surface structure.

Unterhalb der Abdeckscheibe 11 sind, mit gestrichelten Linien angedeutet, die Infrarotleuchtdioden 9 positioniert. Die Überwachungskamera 2 mit dem Objektiv 3 ist konzentrisch vom Tubus 6 umgeben (gleichfalls gestrichelt angedeutet). Auch hier sind abweichende geometrische Anordnungen möglich. So können beispielsweise der Tubus 6 und/oder das Objektiv 3 exzentrisch zur Überwachungskamera 2 positioniert sein.Below the cover 11 are indicated by dashed lines, the infrared light emitting diodes 9 positioned. The surveillance camera 2 with the lens 3 is concentrically surrounded by the tube 6 (also indicated by dashed lines). Here too Deviating geometric arrangements are possible. So, for example the tube 6 and / or the objective 3 are positioned eccentrically to the monitoring camera 2 be.

Auf Grund der erfindungsgemäßen Ausgestaltung der plattenförmigen Abdeckscheibe 11 als einstückiges Bauteil, ergibt sich im Vergleich zu vorbekannten Ausführungsformen eine deutlich einfachere Herstellung und damit kostengünstigere Produktion. Besonders vorteilhaft ist die feste Integration des Tubus 6 in die Abdeckscheibe 11, weil sich hierdurch die Zahl der Einzelteile vermindert.Due to the inventive design of the plate-shaped cover 11 as an integral component, results in comparison to prior art embodiments a much simpler production and therefore more cost-effective Production. Particularly advantageous is the fixed integration of the tube 6 in the cover 11, because this reduces the number of items.

Anstatt der Überwachungskamera 2 oder auch zusätzlich zu dieser kann ein, in der Zeichnung nicht näher dargestellter, Bewegungsmelder vorgesehen sein, der ebenfalls im Bereich der Überwachungskamera 2 positioniert wird. Der Bewegungsmelder weist zur Detektion von Bewegungen eines Aufnahmeobjektes im Aufnahmebereich der Überwachungskamera 2 in bekannter Weise mindestens zwei Sensorbereiche auf. Weiterhin ist der Bewegungsmelder so ausgestaltet, dass dieser insbesondere für Infrarotstrahlung sensitiv ist. Eine Bewegung wird durch den Bewegungsmelder in bekannter Weise detektiert, indem unterschiedliche Sensorbereiche des Bewegungsmelders zeitlich nacheinander auf die auftreffende Infrarotstrahlung ansprechen und entsprechende Signale an eine Auswerteeinheit abgeben. Instead of the security camera 2 or in addition to this one can, in the Drawing not shown, motion detector be provided, also is positioned in the area of the surveillance camera 2. The motion detector indicates the detection of movements of a subject in the recording area the surveillance camera 2 in a known manner at least two sensor areas on. Furthermore, the motion detector is designed so that this particular is sensitive to infrared radiation. A movement is caused by the motion detector detected in a known manner by different sensor areas of the motion detector in chronological succession to the incident infrared radiation respond and deliver appropriate signals to an evaluation.

Das Objektiv 3 ist bei dieser Ausführungsvariante zumindest bereichsweise als Fresnellinse ausgebildet, die entlang der optischen Achse 4 eintretendes Licht auf unterschiedliche Bereiche des Bewegungsmelders ablenkt und damit die Bewegungserkennung von Aufnahmeobjekten vor der Überwachungskamera ermöglicht. Entsprechend hierzu ist die Abdeckscheibe 11 gestaltet, die auftreffendes Licht wiederum auf bestimmte Bereiche des Objektives 3 lenkt. Alternativ kann das Objektiv 3 bei dieser Variante entfallen, wobei die Abdeckscheibe 11 dann bereichsweise als Fresnellinse ausgebildet ist, die die auftreffende Strahlung wiederum auf bestimmte Bereiche des Bewegungsmelders lenkt.The lens 3 is in this embodiment at least partially as Fresnel lens formed on the optical axis 4 incoming light on different areas of the motion detector deflects and thus the motion detection of recording objects in front of the surveillance camera. According to this, the cover 11 is designed, the incident light in turn to certain areas of the lens 3 directs. Alternatively, the lens Account for 3 in this variant, the cover 11 then partially as Fresnel lens is formed, which in turn determines the impinging radiation on certain Areas of the motion detector deflects.

Mittels einer Kombination der Überwachungskamera 2 mit einem Bewegungsmelder ist es beispielsweise möglich, eine Aufzeichnung durch die Überwachungskamera 2 erst dann beginnen zu lassen, wenn sich ein Aufnahmeobjekt dem Aufnahmebereich der Überwachungskamera 2 nähert und damit eine Veränderung im zu beobachtenden Aufnahmebereich eintritt.By means of a combination of the surveillance camera 2 with a motion detector For example, it is possible to record by the surveillance camera. 2 only then start to let, when a subject object the shooting area the surveillance camera 2 approaches and thus a change in the observed Recording area occurs.

Infolge der erfindungsgemäß im Wesentlichen nur für Infrarotstrahlung durchlässigen, einstückigen und durchgehenden Abdeckscheibe 11 ist eine gute Tarnung der Überwachungskamera 2 gegeben, sodass große und abbildungsstarke Objektive 3 verwendet werden können. Durch die erfindungsgemäße Abdeckscheibe 11 lässt sich die Überwachungskamera 2 nahezu "unsichtbar" in vorgegebene Inneneinrichtungsumfelder von insbesondere zivilen Passagierflugzeugen integrieren. Infolge der einstückigen Ausführung der Abdeckscheibe 11 ist eine kostengünstige Herstellung gegeben. Das Ablösen von Teilen durch Vibrationen etc. ist aufgrund der vorzugsweise einstückigen Ausführung der Abdeckscheibe 11 gleichfalls unmöglich. Zudem verringert sich infolge der ebenen Oberfläche der Abdeckscheibe 11 der Reinigungsaufwand.As a result of the invention essentially permeable only to infrared radiation, one-piece and continuous cover 11 is a good camouflage of Surveillance camera 2 given, so that large and strong picture lenses 3 can be used. By the cover 11 of the invention leaves the surveillance camera 2 is almost "invisible" in given interior furnishing environments of civil passenger aircraft in particular. As a result the one-piece design of the cover 11 is a cost-effective production given. The detachment of parts by vibrations, etc. is preferred because of one-piece design of the cover 11 also impossible. In addition, due to the flat surface of the cover 11 of the reduced Cleaning effort.

Anwendungsgebiete für die erfindungsgemäße Beleuchtungseinrichtung sind weiterhin die Gepäck- und Güterbereiche in zivilen und militärischen Flugzeugen. Die erfindungsgemäße Beleuchtungseinrichtung ist jedoch nicht auf die Anwendung im Bereich der zivilen Passagierluftfahrt beschränkt. Denkbar sind Anwendungen in weiteren sicherheitsrelevanten Bereichen, wie zum Beispiel die Raumüberwachung in Gebäuden, Überwachung von Außenflächen sowie Aufenthaltsbereiche von Passagieren in Transporteinrichtungen des öffentlichen Nah- und Fernverkehrs. Application areas for the lighting device according to the invention are still the luggage and cargo areas in civil and military aircraft. The However, lighting device according to the invention is not on the application in Area of civil passenger aviation limited. Conceivable are applications in other safety-related areas, such as room monitoring in buildings, surveillance of outside areas and passenger areas in transport facilities for public local and long-distance transport.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Abdeckungcover
22
ÜberwachungskameraSecurity Camera
33
Objektivlens
44
optische Achseoptical axis
55
BlendschutzeinrichtungA visor
66
Tubustube
77
Beleuchtungseinrichtunglighting device
88th
LeuchtmittelLamp
99
InfrarotleuchtdiodeInfrared light emitting diode
1010
Kanteedge
1111
Abdeckscheibecover plate

Claims (8)

Abdeckung 1 für eine Überwachungseinrichtung, insbesondere für eine Überwachungskamera 2 mit einem Objektiv 3 und einem das Objektiv 3 umgebenden Tubus 6 sowie einer außerhalb des Tubus 6 angeordneten Beleuchtungseinrichtung 7 und/oder einen Bewegungsmelder, dadurch gekennzeichnet, dass die Abdeckung 1 einstückig ausgebildet und im Wesentlichen nur für Infrarotstrahlung durchlässig ist.Cover 1 for a monitoring device, in particular for a surveillance camera 2 with a lens 3 and a tube 3 surrounding the lens 3 and an outside of the tube 6 arranged illumination device 7 and / or a motion detector, characterized in that the cover 1 is integrally formed and substantially only permeable to infrared radiation. Abdeckung 1 nach Anspruch 1, dadurch gekennzeichnet, dass die Abdeckung 1 insbesondere als plattenförmige Abdeckscheibe 11 ausgebildet ist, die auf einer von der Überwachungskamera 2 weggerichteten, umlaufenden Kante 10 des Tubus 6 aufliegt.Cover 1 according to claim 1, characterized in that the cover 1 is in particular formed as a plate-shaped cover plate 11 which rests on a directed away from the surveillance camera 2, circumferential edge 10 of the tube 6. Abdeckung 1 nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Abdeckscheibe 11 auf dem Tubus 6 aufliegt oder mit diesem fest verbunden ist.Cover 1 according to claim 1 or 2, characterized in that the cover 11 rests on the tube 6 or is firmly connected thereto. Abdeckung 1 nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Überwachungskamera 2 mit dem Tubus 6 sowie der Beleuchtungseinrichtung 7 und/oder der Bewegungsmelder von Außen für das menschliche Auge durch die Abdeckscheibe 11 hindurch nahezu unsichtbar ist. Cover 1 according to one of claims 1 to 3, characterized in that the surveillance camera 2 with the tube 6 and the illumination device 7 and / or the motion detector from the outside for the human eye through the cover 11 is almost invisible. Abdeckung 1 nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Abdeckscheibe 11 aus Kunststoff, Glas oder einem vergleichbaren Material gebildet ist.Cover 1 according to one of claims 1 to 4, characterized in that the cover plate 11 is formed of plastic, glass or a comparable material. Abdeckung 1 nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Abdeckscheibe 11 eine Verspiegelung aufweist.Cover 1 according to one of claims 1 to 5, characterized in that the cover 11 has a Verspiegelung. Abdeckung 1 nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Abdeckscheibe 11 für Licht im sichtbaren Bereich nahezu undurchlässig ist.Cover 1 according to one of claims 1 to 6, characterized in that the cover 11 is almost impermeable to light in the visible range. Abdeckung 1 nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Tubus 6 im Wesentlichen für sichtbares Licht und für Strahlung im nahen Infrarotbereich undurchlässig ist.Cover 1 according to one of claims 1 to 7, characterized in that the tube 6 is substantially impermeable to visible light and for radiation in the near infrared range.
EP04030217A 2003-12-23 2004-12-21 Cover for surveillance camera Expired - Lifetime EP1548675B1 (en)

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EP1548675B1 (en) 2008-03-05
DE10360762A1 (en) 2005-07-21
ATE388459T1 (en) 2008-03-15
DE502004006402D1 (en) 2008-04-17
US20050168617A1 (en) 2005-08-04

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