EP0844595B1 - Dispositif de surveillance infrarouge - Google Patents

Dispositif de surveillance infrarouge Download PDF

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Publication number
EP0844595B1
EP0844595B1 EP97118759A EP97118759A EP0844595B1 EP 0844595 B1 EP0844595 B1 EP 0844595B1 EP 97118759 A EP97118759 A EP 97118759A EP 97118759 A EP97118759 A EP 97118759A EP 0844595 B1 EP0844595 B1 EP 0844595B1
Authority
EP
European Patent Office
Prior art keywords
infrared
sensor
surveillance device
focusing device
housing
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.)
Expired - Lifetime
Application number
EP97118759A
Other languages
German (de)
English (en)
Other versions
EP0844595A2 (fr
EP0844595A3 (fr
Inventor
Peter Dipl.-Ing. Schlechtingen
Lutz Bohn
David Dipl.-Ing. Hruza
Klaus Gringmann
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.)
Gebrueder Merten GmbH and Co KG
Original Assignee
Gebrueder Merten GmbH and Co KG
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
Priority claimed from DE1996148468 external-priority patent/DE19648468A1/de
Priority claimed from DE1996148469 external-priority patent/DE19648469A1/de
Application filed by Gebrueder Merten GmbH and Co KG filed Critical Gebrueder Merten GmbH and Co KG
Publication of EP0844595A2 publication Critical patent/EP0844595A2/fr
Publication of EP0844595A3 publication Critical patent/EP0844595A3/fr
Application granted granted Critical
Publication of EP0844595B1 publication Critical patent/EP0844595B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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
    • G08B13/19—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 infrared-radiation detection systems
    • G08B13/193—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 infrared-radiation detection systems using focusing means

Definitions

  • the invention relates to an infrared monitoring device with a sensor part, which a by a focusing device has a closed sensor housing, in which has at least one infrared sensor and one electrical Circuit are housed, the minimum an infrared sensor and the focusing device are rotatable with respect to the sensor housing.
  • US-A-5 134 292 is an infrared monitor described in the focusing device together with a closed plate for the infrared sensors Capsule forms relative to a housing or holder rotatable around a ball joint and is pivotable. This allows the reception characteristics the infrared monitor by moving the Sensors and focusing device existing unit can be adjusted in a simple way, but the are in Sensors inside the housing for setting purposes of not accessible from outside.
  • the object of the invention is the monitoring device to improve his attitude, so that a horizontal alignment without adjustment of the entire sensor housing is possible.
  • the advantage of the invention is that a symmetrical Position of the sensor housing in relation to the fastening part largely preserved after each alignment can.
  • the focusing device itself is advantageous also symmetrical, for example as two-dimensional curved hollow shell, formed on the Edge body is integrally formed. A rotation of the Focusing device, relative to the sensor housing, has then no visible changes result, however can be adjusted horizontally become.
  • the adjustable components are also according to the invention of the monitoring device on the common carrier board arranged when rotating the focusing device thus also be moved, their adjustment elements, like actuating pins, i.e. remain accessible from the outside regardless of the adjustment of the focusing device.
  • adjustable components mainly potentiometers for time adjustment (run-on time), to set a response threshold of the Sensor or used to adjust the sensitivity. It is provided that the edge body at least part of its circumference accessible from the outside is.
  • the electrical belonging to the electrical circuit Components can be form-fitting on a in the edge body the carrier board used, which also includes the at least one sensor, so that the Always maintain the position of the sensor to the focusing device remains and not the sensor after every adjustment of the focusing device to be readjusted needs. Furthermore, the arrangement and assembly of the electrical components completely on the carrier board done what the manufacture of a pre-assembled unit allows.
  • the sensor housing then settles composed of the focusing device and a base body, the ring holder for the edge body of the focusing device contains, and additionally be movably connected to the fastening part can.
  • wall mounting is optional or ceiling mounting of the monitoring device possible because a functional position offset by 90 ° of the two parts can be adjusted to each other.
  • connection of the focusing device to the sensor housing or base body is advantageous as a snap connection formed, the rotation of the focusing device is limited by stops.
  • the infrared sensor needs not new after every rotation of the focusing device to be adjusted because it is rotated and the Focal points of the lenses always in the entrance window of the Infrared sensor lie.
  • the independent Significance is the adjustment element as an axis formed with an adjustment knob, which the sensor adjusted with an eccentric pin.
  • the embodiment of the invention is an infrared motion detector based.
  • the infrared motion detector is for wall mounting and for ceiling mounting educated.
  • In the first position there is a traffic light Arrangement and in the second position one pendulum-like arrangement available.
  • every position can be a surveillance area vertically under the motion detector and around the motion detector are detected, as explained in more detail below becomes.
  • the infrared motion detector consists of a mounting part 4 and a sensor part 5, both spatially arranged separately from one another and with an arm 6 are movably connected.
  • the sensor part 5 forms a rotatable head.
  • the fastening part 4 has a fastening housing 7 with an essentially cuboid shape. It consists of a lower housing part 8, which is not shown fasteners, such as screws the wall 9 or the ceiling 19 can be fastened, and one Upper housing part 11, which is also not shown Lanyards, such as screws, on the lower part of the housing 8 is attached.
  • the mounting housing 7 has a cable entry opening 12 and line terminals 13, all arranged in the lower housing part 8.
  • the upper housing part 11 there is a board with unspecified electrical and electronic components, for example a power supply circuit for the im Form sensor circuit 5 located circuitry.
  • the arm 6 has a rectangular cross section and is movable on the front 14 of the upper housing part 11 stored and provided with a self-locking, with the stable positions are adjustable as below is described in more detail.
  • the arm 6 is hollow and around the vertical axis 15 of the upper housing part 11 extending vertically Axis 16 rotatably mounted.
  • the axis 16 can be within of the mounting housing upper part 11.
  • the depository is designed as a tilt joint and exists from a radius-shaped depression 17 on the front of the upper housing part 14, in which the matching radius-shaped Part 18 of the arm 6 is inserted and with Lanyards not specified are held there becomes.
  • the radius-shaped part 18 slides as in a bearing pan of the radius-shaped recess 17, with fine toothing in the radius-shaped recess 17 is present, which has a row of teeth on the radius Part 18 interacts.
  • Both the radius-shaped recess 17 and the radius-shaped Parts 18 have openings 19 aligned with one another, 20, through the lines, not shown, from Attachment module 4 to sensor module 5 through arm 6 are passed through.
  • the arm 6 is from that in FIG and 3 shown starting position in the direction of arrow X-Y can be tilted down to one limited by stops 21, 22 End position.
  • the tipping angle is in the direction -X 10 ° and towards -Y 30 °. With this tilt joint can the sensor part 5 can be adjusted in two directions and allows vertical adjustment.
  • the arm 6 has an under at its other end an angle of 45 ° to the longitudinal axis 23 of the arm 6 inclined End face, which forms a contact surface 24, the one also at an angle of 45 ° to the main axis 25 of the sensor part 5 extending contact surface 26 of the sensor housing 27 cooperates.
  • the Contact surface 26 of the sensor housing 27 lies flat the contact surface 24 of the arm 6 and is one perpendicular to the contact surfaces 24, 26 Axis 28 rotatable by at least 180 ° relative to arm 6.
  • the axis 28 is the center line one concentric to it extending swivel 29 with self-locking.
  • the swivel joint 29 is not formed by one hollow pin on sensor housing 27, the in a bore, also unspecified the contact surface 24 of the arm 6 engages and there is positively fitted. Self-locking of the joint 29 can by frictional engagement on the contact surfaces 24, 26 are generated.
  • Figure 1 of the drawing shows a position of the sensor housing 27, in which the axis 23 of the arm 6 and the main axis 25 of the sensor housing 27 a right Form an angle.
  • Figure 3 of the drawing is the sensor housing 27 has been rotated 180 ° relative to arm 6, and the two axes 23, 25 run parallel. Of course, any intermediate position of it can be set to adapt to the direction Surveillance area.
  • the sensor housing 27 is composed of a roof-like hood 30 and the focusing device 31.
  • the roof-like hood 30 consists of two parts, namely a base body 32 with a conical shell an angle of inclination of 45 ° is formed, and one Cover cap 36 is located on this body the outer surface of the hollow pin of the joint 29 and the contact surfaces 26 formed as strips 37 (FIG. 7), which is in contact with the contact surface 24 of the arm 6 interact.
  • a socket 33 for rotatably holding the focusing device 31 incorporated.
  • This version 33 is as circumferential annular groove 34 with protruding into the annular groove 34 Locking cams 35 formed. How it works this version 33 is described in more detail below.
  • the cap 36 is the conical base body 32 put on, at least with parts of their inner jacket rests on the outer jacket of the base body 32, as Figure 1 shows.
  • the cap 36 has one side has a rim 38, which is the edge of the tapered base body 32 engages.
  • the raid edge 38 opposite, side of the cap 36 is a flat, the angle of inclination (45 °) of the contact surface 24 of the arm 6 corresponding outer surface 39 formed, the distance from the contact surface 24th of the arm 6 is opposite.
  • the cap 36 is movable on the tapered Main body 32 guided and between the main body 32 and the contact surface 24 of the arm 6.
  • a guide is in the cap 36, namely in the lateral surface 39, a recess 40 with which the cap 36 between the Last 37 is inserted.
  • the cover cap 36 on the lateral surface 39 through the contact surface 24 of the arm 6 supported.
  • the cover cap 36 is slidable along the guide strips 37 a closed position, as shown in Figure 1 is in an open position, as shown in Figure 6 is.
  • the displacement path of the cover cap 36 runs at the angle defined by the angle of the contact surfaces 24, 26 is set.
  • the cover cap 36 becomes 32 with respect to the fixed base body not ventilated perpendicular to the base body 32, but at an angle of 45 °.
  • the one described Slanting the cap 36 causes that at a Shift to the position shown in Figure 6 the rim 38 opposite the focusing device 31 is raised and a gap 41 arises, whereby behind the raid edge 38 on the focusing device 31 arranged adjustment buttons 68, 71 of the adjustable Components of the motion detector 42, 43, 44, 45 are accessible, which in the basic position ( Figure 1) the cover cap 36 is not accessible behind it are. This will be discussed in more detail below.
  • the focusing device 31 is a bowl-like rotating body formed with an edge body 46, the Edge has a circumferential annular bead 47 with which the focusing device 31 in the annular groove 34 of the Base body 32 is rotatably engaged and thus the Establishes connection with the roof-like hood 30.
  • the Edge body 46 of the focusing device 31 has been removed of the ring bead 47 a circumferential one Flange 48 which, according to FIG. 1, with the cover cap 36 forms a flush conclusion.
  • the one in FIG and 6 with 41 designated gap is on the one hand by the Flange 48 and, on the other hand, through the rim 38 limited.
  • the edge body 46 of the focusing device 31 is as cylindrical hollow body formed; close to it is a conical part 49 by a spherical Cap 50 is complete.
  • the tapered part 49 is made from a large number of flat lenses 51 or Lens cutouts that form a lens shade. It these are Fresnel lenses.
  • the spherical cap 50 contains a large number of domed converging lenses 52, that have a common focus.
  • the focusing device 31 is in one piece by spraying in Injection mold manufactured.
  • a printed circuit board 53 used and not there supported consoles.
  • this circuit board is that not fully shown Evaluation circuit for the infrared sensors 45, 54 constructed.
  • the connecting lines, not shown are from the circuit board 53 through the hollow Pin of the joint 30, through the arm 6 and through the Openings 19, 20 in the mounting housing 7.
  • a holder on the printed circuit board 45 55 arranged for four infrared sensors 45, 54.
  • the Holder 55 projects with part 56 into lens part 49, 50 into it, and the infrared sensor held on this part 56 54 is located with its entrance window at the common focus of the lenses 52 so that the on the spherical cap 50 impinging infrared radiation is focused on the infrared sensor 54.
  • This infrared sensor 54 detects the vicinity of the motion detector and serves as a creep protection.
  • the remaining three infrared sensors 45 detect the Long range of the motion detector and act with the Lenses 51 of the conical part 49 together.
  • each infrared sensor 45 according to its maximum Detection angle a corresponding sector of the before lens screen 49 assigned. All in that Lenses 51 located in each sector have a lens common focus, and the corresponding infrared sensor 45 is located with its entrance window in common focus.
  • the three infrared sensors 45 are in the Triangle radially around the center of the central axes 59, 60 of the Focusing device 31 arranged around, none exact equilateral triangular arrangement of the infrared sensors 45 is present, but an isosceles arrangement with a very small apex angle. At this The arrangement falls on the main axis 60 of an infrared sensor 45 with the central axis 59 of the focusing device 31 together, whereas the main axes 61, 62 form the other two infrared sensors 45 with the central axis 63 an acute angle.
  • the location of the three infrared sensors 45 is set such that the main axis 61 of one infrared sensor 45 with the main axis 60 of the central infrared sensor 45 an angle> 90 ° and the main axis 62 of the other infrared sensor 45 with the main axis 60 of the central infrared sensor 45 also form an angle> 90 °.
  • the infrared sensor 45 becomes a complete one Area around the focusing device 31, which is ⁇ 360 °, for example ⁇ 270 ° and ⁇ 320 °.
  • each infrared sensor 45 detects an area of the lens screen 51 arranged in front, which is approximately 100 °, in total with the three infrared sensors 45 about an angle of 300 ° of the lens screen 51 is detected can be.
  • the three infrared sensors 45 are not directly on the Holder 55 attached, but for each of the three infrared sensors 45 there is a carriage 58 on which the infrared sensors 45 are attached.
  • the three Carriages 58 are in carriage guides 57 of the holder 55 used flexibly, the three infrared sensors 45 in the angular position described above attached to the sled and on the respective sector of the lens shade are aligned. However, that requires a different attachment for each infrared sensor 45 on the slide 58.
  • the infrared sensors 45 are advantageous with their Entry windows attached to slide 58 plane-parallel, and the carriage guides 57 of the holder 55 are aligned such that the on the carriage 58th attached infrared sensors 45 the predetermined angular position occupy with their main axes 60, 61, 62. So that each infrared sensor 45 is on the one in front of it lying sector of the lens hood in terms of its radial position set.
  • the carriage 58 are those immovably attached to it Infrared sensors 45 in relation to the lens screen 51 in adjustable in height. By adjusting the infrared sensors 45, the detection areas can be enlarged or reduced and independent from each other.
  • Plate-like slides 64 which serve as slides 58 guided in unspecified grooves of the holder 55 are.
  • the slider 64 are as printed circuit boards formed to which the infrared sensor 45 is soldered. These printed circuit boards (slide 64) are in one Position perpendicular to the circuit board 53 arranged.
  • the slider 64 has a window 65 that faces the entrance window of the infrared sensor 45 is opposite.
  • the infrared sensors 45 are adjusted with each an adjusting device which engages the slide 64 and which is accessible from the outside, so that a Setting during operation is possible.
  • the adjustment device has one for each slide 64 Adjustment axis 67 in a hole in the edge body 46 of the focusing device 31 is guided and extends to the holder 55, where it is in a bearing block 66 of the holder 55 is guided.
  • the head 68 of the Adjustment axis is slotted and accessible from the outside.
  • the adjustment axis 67 has on its head 68 opposite the End an eccentric pin 69, which in an unspecified hole (slot) of the Slider 64 engages. By turning the adjustment axis 67 the slide 64 is up and down in its guidance emotional.
  • FIG. 11 shows, there are one in the immediate vicinity Actuation axis 67, the electrical components 42, 43, 44 arranged on the printed circuit board 53, which too belong to the electrical circuit and also during the Operation can be set, for example as Potentiometers are formed, the actuating pin 70 penetrate the edge body 46 of the focusing device 31 and have slotted actuation buttons 71.
  • the accessibility of the actuation buttons 68, 71 of outside is given if, according to FIG. 5, the cover cap 36 from its basic position ( Figure 1) to the open position ( Figure 6) is pushed.
  • the gap 41 enables it, the control buttons 68, 71 with a Tool (screwdriver) to reach the components adjust.
  • the holder 55 is the infrared sensor 45 part of the circuit board 53 and with it connected.
  • the printed circuit board 53 is also fixed embedded in the focusing device 31, so that focusing device 31, circuit board 53, holder 55 and infrared sensors 45 form a structural unit, the one with the annular bead 47 in the annular groove 34 of the base body 32 inserted, preferably locked and thus the connection with the roof-like hood 30 he follows.
  • the connection between the Focusing device 31 and the roof-like hood 30 um the main axis 25 is rotatable.
  • the infrared sensors 45 By rotating the focusing device 31 the infrared sensors 45 in the horizontal direction set a desired reception area, independently whether the motion detector on a wall 9 or is attached to a ceiling 10.
  • the range of rotation can be limited, for example at ⁇ 90 °.
  • the Annular groove 34 uses an annular seal 72 which has a sealing lip which with the annular bead 47 Focusing device 31 interacts and penetration of moisture or water into the focusing device 31 prevented.
  • the interacting Ring bead 47 and ring groove 34 are fitted into one another in such a way that a self-locking arises, the stable Settings allowed.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)

Claims (8)

  1. Dispositif de surveillance infrarouge comprenant un élément capteur (5), qui présente un carter de capteur (27) fermé par un dispositif de focalisation (31) et dans lequel sont logés au moins un capteur infrarouge (45) et un circuit électrique, ledit au moins un capteur infrarouge (45) et le dispositif de focalisation (31) pouvant pivoter par rapport au carter de capteur (27), caractérisé en ce que le dispositif de focalisation (31) présente un corps à collet (46) guidé en rotation dans un support annulaire (33) du carter de capteur (27) et portant sur sa circonférence des éléments de réglage (68, 71) de composants (42-45) réglables logés dans le carter de capteur (27).
  2. Dispositif de surveillance infrarouge selon la revendication 1, caractérisé en ce que le collet du corps à collet (46) possède une nervure annulaire (47) par laquelle il s'engage dans une rainure annulaire (34) du support annulaire (33).
  3. Dispositif de surveillance infrarouge selon la revendication 1 ou 2, caractérisé en ce que ledit au moins un capteur infrarouge (45) présente une position réglable en hauteur relative transversalement à la direction de rotation du dispositif de focalisation (31).
  4. Dispositif de surveillance infrarouge, notamment selon l'une des revendications précédentes, caractérisé en ce que ledit au moins un capteur (45) est fixé sur un coulisseau (64) pouvant être déplacé linéairement à l'aide d'un tourillon excentrique (69), le tourillon excentrique pouvant être tourné par rotation d'un élément de réglage (68).
  5. Dispositif de surveillance infrarouge selon l'une des revendications 1 à 4, caractérisé en ce que trois capteurs infrarouges (45) sont prévus, qui sont accessibles depuis l'extérieur, indépendamment les uns des autres, chacun par l'intermédiaire d'un élément de réglage (68).
  6. Dispositif de surveillance infrarouge selon la revendication 5, caractérisé en ce que deux capteurs infrarouges (45) voisins délimitent à chaque fois par leurs fenêtres d'entrée un angle supérieur ou égal à 90°.
  7. Dispositif de surveillance infrarouge selon l'une des revendications 4 à 5, caractérisé en ce que trois coulisseaux (64) sont guidés dans un support (55) commun, deux coulisseaux voisins délimitant à chaque fois par leurs surfaces de fixation pour les capteurs infrarouges un angle supérieur ou égal à 90°.
  8. Dispositif de surveillance infrarouge selon l'une des revendications 1 à 7, caractérisé en ce que le dispositif de focalisation (31) est une tête réfractrice panoramique formée d'un seul tenant avec le corps à collet (46).
EP97118759A 1996-11-22 1997-10-29 Dispositif de surveillance infrarouge Expired - Lifetime EP0844595B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19648469 1996-11-22
DE1996148468 DE19648468A1 (de) 1996-11-22 1996-11-22 Infrarot-Überwachungsgerät
DE1996148469 DE19648469A1 (de) 1996-11-22 1996-11-22 Berührungslos wirkendes Überwachungsgerät
DE19648468 1996-11-22

Publications (3)

Publication Number Publication Date
EP0844595A2 EP0844595A2 (fr) 1998-05-27
EP0844595A3 EP0844595A3 (fr) 1999-12-08
EP0844595B1 true EP0844595B1 (fr) 2003-01-08

Family

ID=26031546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97118759A Expired - Lifetime EP0844595B1 (fr) 1996-11-22 1997-10-29 Dispositif de surveillance infrarouge

Country Status (3)

Country Link
EP (1) EP0844595B1 (fr)
AT (1) ATE230876T1 (fr)
DE (1) DE59709093D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006018732A1 (de) * 2006-04-20 2007-10-25 Steinel Gmbh Infrarot-Bewegungssensor
US9927301B2 (en) 2015-10-26 2018-03-27 Bosch Security Systems, Inc. Detector lens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3710614A1 (de) * 1987-03-31 1988-10-20 Siedle & Soehne S Bewegungsmelder
US5134292A (en) * 1989-02-07 1992-07-28 Nippon Mining Co., Ltd. Moving object detector and moving object detecting system
DE3910653C2 (de) * 1989-04-01 2002-02-14 Merten Gmbh & Co Kg Passiv-Infrarot-Bewegungsmelder

Also Published As

Publication number Publication date
EP0844595A2 (fr) 1998-05-27
EP0844595A3 (fr) 1999-12-08
DE59709093D1 (de) 2003-02-13
ATE230876T1 (de) 2003-01-15

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