WO2023232476A1 - Capteur avec dispositif de couvercle et dispositif de couvercle associé - Google Patents

Capteur avec dispositif de couvercle et dispositif de couvercle associé Download PDF

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Publication number
WO2023232476A1
WO2023232476A1 PCT/EP2023/063279 EP2023063279W WO2023232476A1 WO 2023232476 A1 WO2023232476 A1 WO 2023232476A1 EP 2023063279 W EP2023063279 W EP 2023063279W WO 2023232476 A1 WO2023232476 A1 WO 2023232476A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
cover element
prefabricated
window
housing
Prior art date
Application number
PCT/EP2023/063279
Other languages
German (de)
English (en)
Inventor
Rene HLOUZEK
Petr HRUDKA
Original Assignee
Steinel 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 Steinel Gmbh filed Critical Steinel Gmbh
Publication of WO2023232476A1 publication Critical patent/WO2023232476A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/0205—Mechanical elements; Supports for optical elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0831—Masks; Aperture plates; Spatial light modulators
    • 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
    • G08B13/191—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 pyroelectric sensor means
    • 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 a sensor with angle-selective sensitivity.
  • the invention relates to a covering device for a sensor of the aforementioned type.
  • Sensors for detecting movements of objects within the sensor areas or detection areas assigned to the sensors are known from the prior art.
  • cover cap cutting patterns are used, which are cut into the appropriate shape with scissors and then attached to a sensor.
  • cover templates which are usually made of tough plastic, are generally difficult to process manually in order to adjust the detection area as required and are therefore unwieldy.
  • the object of the present invention is therefore to provide a sensor with an improved covering device which, on the one hand, enables dynamic adjustment of a sensor range and a sensitivity of the sensor, and on the other hand is easy to handle.
  • a sensor with an angle-selective sensitivity with an opaque sensor housing; an optical sensor device arranged in the sensor housing for optically detecting a movement of an object within a surrounding sensor area; a sensor window which shields the optical sensor device together with the sensor housing from the surrounding sensor area and which allows infrared radiation from the sensor area to pass through to the optical sensor device; and a cover device that covers a radial angular range of the sensor window to adjust the sensitivity of the sensor within the radial angular range.
  • the covering device has at least one prefabricated covering element, which covers a fixed angular range of the sensor window and on the sensor housing is releasably attached. It is provided that the sensor housing and the at least one prefabricated cover element can be releasably connected to one another by means of connection structures designed to complement one another.
  • this object is achieved by a covering device for a sensor according to the type mentioned above and described in more detail below, with at least one prefabricated cover element arranged on the sensor, which is designed to cover the sensor window.
  • the prefabricated cover element By using the prefabricated cover element to adjust the sensitivity of the sensor and the sensor area to be detected by the sensor, manual cutting, as was necessary with conventional cover caps or cover clips, is no longer necessary.
  • the prefabricated cover element is simply detachably attached to the sensor without any further pre-processing being required. This improves manageability and saves time.
  • the prefabricated cover element can be easily attached or detached from the sensor housing by means of the connection structures which are designed to complement one another. This also makes it easy to replace the cover element, for example when the sensor is already installed at its location.
  • the sensor housing can have locking projections and the at least one prefabricated cover element can have locking grooves designed to complement them.
  • the cover element can accommodate the locking projections of the sensor housing in the corresponding locking grooves and thus create a detachable (locking) connection. This enables simple, manual attachment and quick removal of the cover element.
  • the arrangement of the locking grooves on the cover element and the locking projections on the sensor housing can further prevent contamination of the groove within the sensor housing. This occurs, for example, when both connection structures are swapped, ie when the cover element has a projection which is received in a corresponding groove arranged in the sensor housing for connection. In such a case, the groove arranged within the sensor housing would make it difficult to attach/remove the cover element when dirty.
  • a locking projection can be arranged at an upper end in a vertical direction of the sensor housing and/or at a lower end of the sensor housing.
  • a locking groove can be arranged at an upper end in a longitudinal direction of the at least one prefabricated cover element and/or at a lower end of the cover element. This allows a detachable (latching or clip) connection to be formed between the cover element and the sensor housing. Furthermore, additional cover elements can be easily attached to the sensor housing using this (latching or clip) connection in order to cover a specific angular range of the sensor window.
  • the sensor window can have the shape of a spherical surface section.
  • the at least one prefabricated cover element can also have the shape of a spherical surface section with an azimuthal angular range and a polar angular range, so that it can shield a specific section of the sensor window.
  • the sensitivity can be reduced within the radial angular range.
  • the sensitivity range can be varied by the thickness of the at least one prefabricated cover element.
  • the at least one prefabricated cover element can be opaque at least in the infrared range, so that the optical sensor device can be shielded from infrared rays in the section of the sensor window covered by the cover element.
  • the at least one prefabricated cover element can be semi-transparent in the infrared range. As a result, infrared radiation is not completely shielded and can enter the optical sensor device through the cover element.
  • the transmittance in the infrared range can be less than 90%, or less than 80%, or less than 70%, or less than 60%, or less than 50%, or less than 40%, or less than 30%, or less than 20%, and greater than 1%, or greater than 5%, or greater than 10%.
  • the at least one prefabricated cover element can have a further connection structure in the region of a first end of the cover element in the transverse direction of the cover element and a second connection structure which is designed to complement the further connection structure in the region of a second end of the cover element in the transverse direction of the cover element, so that the at least one Prefabricated cover element can be detachably connected to other similar cover elements via each of the connection structures.
  • additional cover elements can be easily attached to the sensor, which can be connected to one another and thus achieve the desired sensitivity for detecting infrared light.
  • the at least one prefabricated cover element can be detachably connected to other uniform cover elements in a modular manner.
  • the at least one prefabricated cover element can be made of hard polyethylene, HDPE, or can be made of polycarbonate, PC.
  • HDPE has a certain infrared permeability and can be used when semi-transparent permeability of the cover element is required.
  • PC has no infrared transmittance and is preferably used when the cover element is to be opaque in the infrared wavelength range.
  • the sensor can be a motion sensor or a presence sensor.
  • the optical sensor device can be an infrared sensor.
  • the at least one cover element can be movable along an azimuthal circumferential direction of the sensor window. This enables a dynamic adjustment of the sensor area or the detection area of the sensor.
  • the cover element can be moved as desired to adjust the sensor area accordingly. This arrangement also makes it possible to easily readjust the cover element.
  • a covering device for a sensor as described above, wherein the covering device has the at least one prefabricated cover element arranged on the sensor, which covers the sensor window. Further embodiments of the invention result from the subclaims.
  • Figure 1A is a schematic view of an embodiment of a sensor according to the present invention.
  • FIG. 1B shows a schematic view of an embodiment of the invention
  • 1C is a schematic view of an embodiment of the invention
  • FIG. 2A is a schematic view of an embodiment of the invention
  • Figure 2B is a schematic sectional view of the embodiment of the sensor according to the invention shown in Figure 2A;
  • 3A is a schematic view of an embodiment of the invention
  • Figure 3B is a schematic view of connection structures shown in Figure 3A
  • 4A is a schematic exploded view of an embodiment of the sensor according to the invention.
  • FIG. 4B is a schematic sectional view of the embodiment of the sensor according to the invention shown in FIG. 4A in the assembled state
  • Figure 5A is a schematic view of an embodiment of a sensor according to the present invention
  • 5B is a schematic view of an embodiment of the sensor according to the invention.
  • Figure 6A is a schematic view of an embodiment of a cover member according to the present invention.
  • 6B is a schematic sectional view of several cover elements according to the present invention in the connected state
  • Figure 7A is a schematic view of an embodiment of a sensor according to the present invention.
  • Figure 7B is a schematic exploded view of the embodiment of the sensor according to the invention shown in Figure 1A;
  • FIG. 8 is a schematic view of an embodiment of the sensor according to the invention.
  • FIGS. 1A to 1C each show a simplified schematic view of an embodiment of a sensor 10 with angle-selective sensitivity according to the present invention.
  • the sensor 10 has a sensor housing 12 that is opaque to infrared light, an optical sensor device arranged in the sensor housing 12 (not shown in FIGS. 1A to 1C), a sensor window 14 and a cover device 16 with at least one prefabricated cover element 18.
  • the wavelength range for infrared light is between 780 nm and 1 mm.
  • a movement of an object is detected, for example, a person, within a sensor area SB or detection area surrounding the sensor 10.
  • the sensor area SB is illustrated in simplified form by an arrow in FIGS. 1A to 1C.
  • the optical sensor device is shielded from the sensor area SB by the sensor window 14 together with the sensor housing 12. Furthermore, the sensor window 14 allows infrared radiation from the sensor area SB to pass into the sensor device, so that a corresponding movement can be detected.
  • a radial angular range of the sensor window 14 is covered by the covering device 16.
  • the covering device 16 enables the sensitivity of the sensor 10 to be adjusted within the radial angular range, i.e. i.e., within the section of the sensor window 14 covered by the covering device 16.
  • the covering device 16 has at least one covering element 18, which covers a fixed angular range of the sensor window 14 and can be detachably connected to the sensor housing 12.
  • the covering device 16 has at least one covering element 18, which covers a fixed angular range of the sensor window 14 and can be detachably connected to the sensor housing 12.
  • two cover elements 18 are illustrated.
  • the number of cover elements 18 is variable.
  • four cover elements 18 are shown in FIG. 1B and five cover elements 18 are shown in FIG. 1C.
  • the cover elements 18 are releasably connected to the sensor housing 12 by means of connection structures AS1, AS2 that are complementary to one another. This results in an efficient attachment of the cover elements 18 to the sensor 10 or to the sensor housing 12.
  • the sensor housing 12 can have locking projections AS1 and the at least one prefabricated cover element 18 can have locking grooves AS2 that are complementary thereto.
  • the cover element 18 is attached to the sensor housing 12 outside the sensor 10, with the locking groove AS2 of the cover element 18 covering the locking projection AS1 of the sensor housing 12 can accommodate, or the locking projection AS1 locks or can hook into the locking groove AS2.
  • FIGS. 2A and 2B illustrates a sectional view of the embodiment of the sensor 10 shown in FIG. 2A.
  • the cover element 18 functions as a cover clip which is releasably attached to the sensor housing 12 by means of the latching connection.
  • this design of the connection structures AS1, AS2 can prevent contamination within the sensor housing 12, such as the locking groove AS2.
  • FIGS. 3A and 3B Further embodiments of such a connection with several cover elements 18 are shown in FIGS. 3A and 3B as well as in FIGS. 5A and 5B.
  • a locking projection AS1 can be arranged at an upper end in a vertical direction HR of the sensor housing 12 and/or at a lower end of the sensor housing 12.
  • a locking groove AS2 can also be arranged at an upper end in a longitudinal direction LR of the at least one prefabricated cover element 18 and/or at a lower end of the cover element 18. The directions of these arrangements are simplified by arrows in FIGS. 1A to 2B.
  • a covering device 16 which comprises three prefabricated covering elements 18 and a connecting element 20, onto which the covering elements 18 are plugged and connected to the sensor housing 12 by means of the latching projections AS1 can be detachably connected.
  • the connecting element 20 can be designed as a ring cutout, which has a locking groove AS2 or a recess for receiving the locking projection AS1.
  • the sensor window 14 can have the shape of a spherical surface section. However, this is not restrictive and any shape of the sensor window 14 is possible.
  • the at least one prefabricated cover element 18 can also have a shape of a spherical surface cutout corresponding to the sensor window 14 an azimuthal angular range and a polar angular range, so that it has the same surface curvature as the sensor window 14. This allows optimal coverage of the section on the sensor window 14.
  • the azimuthal angular range can be a range of 5°-180°, 5°-165°, 5°-150°, 5°-135°, 5°-120°, 5°-105°, 5°-90°, 5°-75°, 5°-60°, 5°-45°, 5°-30°, or 5°-15°, in particular equal to 180°, 165°, 150°, 135°, 120°, 105 °, 90°, 75°, 60°, 45°, 30°, or 15°.
  • the polar angle range can be a range of 5°-180°, 5°-165°, 5°-150°, 5°-135°, 5°-120°, 5°-105°, 5°-90°, 5°-75°, 5°-60°, 5°-45°, 5°-30°, or 5°-15°, in particular equal to 180°, 165°, 150°, 135°, 120°, 105 °, 90°, 75°, 60°, 45°, 30°, or 15°
  • the sensitivity of the sensor 10 can also be reduced within the radial angular range.
  • the sensitivity in the section shielded by the cover element 18 can be adjusted differently.
  • the at least one prefabricated cover element 18 can be opaque at least in the infrared range. No infrared light is transmitted in the covered section of the sensor window 14, i.e. H. movement of an object within this section is not detected by the optical sensor device.
  • the at least one prefabricated cover element 18 can be semi-transparent, at least in the infrared range.
  • a certain proportion of infrared light can pass through the prefabricated cover element 18 and reach the optical sensor device.
  • the transmittance in the infrared range can be less than 90%, or less than 80%, or less than 70%, or less than 60%, or less than 50%, or less than 40%, or less than 30%, or less than 20%, and greater than 1%, or greater than 5%, or greater than 10%.
  • FIGS. 7A and 7B show a further embodiment. approximately shape, with the connecting element 20 here being annular.
  • 7B shows a schematic, simplified exploded view of the embodiment of the sensor 10 according to the invention shown in FIG. 7A.
  • FIGS End has a projection with a recess into which a plug-in insert 22 of the connecting element 20 is or is received.
  • the prefabricated cover elements 18 are detachably connected to the connecting element 20 and this is fastened to the sensor housing 12 by means of the complementary connecting structure AS1 of the sensor housing 12.
  • connection types shown in FIGS. 1A to 5B, as well as FIGS. 7A and 7B are only examples. Other connection types are possible.
  • the at least one prefabricated cover element 18 can have a further connection structure 18a in the region of a first end of the cover element 18 in the transverse direction QR of the cover element 18 and a second connection structure 18b designed to complement the further connection structure 18a in the region of a second end in the transverse direction QR of the cover element 18 of the cover element 18, so that the at least one prefabricated cover element 18 can be detachably connected to further similar cover elements 18 via each of the connection structures 18a, 18b.
  • This is illustrated in simplified form in Figures 1A to 1C, 5A to 6B and 7B.
  • FIG. 6A and 6B show in this context a single cover element 18 with a projection 18a at a first end in the transverse direction QR and a corresponding groove 18b at a second end of the cover element 18 opposite the first end.
  • This locking connection allows additional cover elements 18 to be easily attached to the cover element 18, which is illustrated in section in FIG. 6B.
  • the groove 18b of a further cover element 18 receives the projection 18a of the cover element 18 shown in FIG.
  • the cover elements 18 can each have two corresponding L-shaped hook parts 18a, 18b, which are arranged at their respective ends in the transverse direction QR.
  • a ha- kenteil 18a of a cover element 18 can form a positive engagement with a hook part 18b of a further cover element 18, as indicated in FIG. 6B.
  • the cover elements 18, similar to FIGS. 1A to 1C and 5A to 6B, can be connected, for example by means of a so-called groove and tenon connection.
  • the first connection structure 18a of a first cover element 18 illustrated in FIG. 7B comprises at least one pin at a first end and the second connection structure 18b at a second end at least one groove corresponding to the pin.
  • the pin of the first cover element 18 is brought into contact with the corresponding groove of the further cover element 18 in such a way that the pin can engage in the groove.
  • the first cover element 18 is coupled to the further cover element 18. This is illustrated in simplified form in FIG. 7B by an arrow.
  • first connection structure 18a of the first cover element 18 can have a recess which can accommodate a further pin of the second connection structure 18b of the further cover element 18.
  • This interdigital structure of the cover elements 18 makes it possible to form a positive connection in the direction of the sensor window 14 by the pins engaging one another, so that the connection structure 18a, 18b sits firmly on the sensor window 14.
  • the cover elements 18 are already produced with the corresponding connection structures 18a, 18b in the edge areas. As a result, additional cover elements 18 can also be easily and conveniently attached to the sensor 10 later.
  • Various configurations are possible here and the illustrated examples are not restrictive.
  • the prefabricated cover element 18 can be modularly connected to further uniform cover elements 18. In this way, an individually adapted covering device 16 can be easily and conveniently implemented and attached to the sensor window 14 or the sensor housing 12.
  • the at least one prefabricated cover element 18 can be made of rigid polyethylene, HDPE, or can be made of polycarbonate, PC. Depending on the intended use, both materials are used and serve to adjust the sensitivity of the sensor 10, ie in the section covered by the prefabricated cover element 18. For example, if no infrared radiation passes through to the sensor device PC can be used, which is opaque to infrared radiation. However, if a certain level of transparency is desired, HDPC can be used, which has a certain level of infrared transparency.
  • FIGS. 7A and 7B shows, for example, a simplified schematic view of the embodiment of the sensor 10 according to the invention shown in FIGS. 7A and 7B.
  • the sensor area SB is divided into two subareas, which is indicated by the dashed lines in FIG is.
  • the right partial area is covered by the covering device 16 or the prefabricated covering elements 18. If the cover elements 18 are made of HDPE, then the transmittance of infrared radiation is reduced or is attenuated in the right area, i.e. H. Movements are only recorded at half the distance. When using PC, no infrared light is transmitted at all, i.e. no movement is detected.
  • the left area is transparent in both cases.
  • the range of the sensor 10 can also be further adjusted via the wall thickness of the prefabricated cover element 18.
  • the range of the sensor 10 can increase as the wall thickness decreases.
  • the sensor 10 can be a motion sensor or a presence sensor.
  • these sensors are used in building automation to control lighting and trigger alarms.
  • the optical sensor device can be an infrared sensor, which can use the infrared radiation to determine whether, for example, a person is in the sensor area SB or detection area.
  • the at least one cover element 18 can be movable along an azimuthal circumferential direction of the sensor window 14. This is indicated by the respective arrows in FIGS. 1A, 1C and 7A. This allows the sensor area SB or the detection area to be set as desired. Likewise, a movable arrangement of the prefabricated cover elements 18 enables easy readjustment or adaptation of the sensor area SB without the sensor 10 having to be dismantled.

Abstract

L'invention concerne un capteur (10) à sensibilité sélective en fonction de l'angle, comportant : un boîtier de capteur opaque (12) ; un dispositif de capteur optique disposé dans le boîtier de capteur (12) pour détecter optiquement le mouvement d'un objet dans une zone de capteur environnante (SB) ; une fenêtre de capteur (14) qui protège le dispositif de capteur optique ainsi que le boîtier de capteur (12) de la zone de capteur environnante (SB) et qui laisse passer le rayonnement infrarouge de la zone de capteur (SB) vers le dispositif de capteur optique ; et un dispositif de couvercle (16) qui couvre une plage angulaire radiale de la fenêtre de capteur (14) afin de régler la sensibilité du capteur (10) à l'intérieur de la plage angulaire radiale. Le dispositif de couvercle (16) comporte au moins un élément de couvercle préfabriqué (18), qui couvre une plage angulaire fixe de la fenêtre du capteur (14) et qui est fixé de manière amovible au boîtier du capteur (12). Selon l'invention, le boîtier de capteur (12) et ledit au moins un élément de couvercle préfabriqué (18) peuvent être reliés l'un à l'autre de manière amovible au moyen de structures de liaison (AS1, AS2) conçues pour se compléter l'une l'autre.
PCT/EP2023/063279 2022-06-03 2023-05-17 Capteur avec dispositif de couvercle et dispositif de couvercle associé WO2023232476A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022114124.1A DE102022114124A1 (de) 2022-06-03 2022-06-03 Sensor mit Abdeckvorrichtung und Abdeckvorrichtung für diesen
DE102022114124.1 2022-06-03

Publications (1)

Publication Number Publication Date
WO2023232476A1 true WO2023232476A1 (fr) 2023-12-07

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WO (1) WO2023232476A1 (fr)

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JPH02128534U (fr) * 1989-03-29 1990-10-23
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DE8532796U1 (de) 1985-11-21 1986-01-09 Gebrüder Merten GmbH & Co KG, 5270 Gummersbach Berührungsloser Schalter
DE8717763U1 (fr) 1987-12-24 1990-01-11 Asea Brown Boveri Ag, 6800 Mannheim, De
FR2876824A1 (fr) 2004-10-14 2006-04-21 Atral Soc Par Actions Simplifi Dispositif de detection et/ou d'emission de rayonnements a pastilles-ecrans, en particulier de rayonnements infrarouges
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3722362A1 (de) * 1987-07-07 1989-01-19 Insta Elektro Gmbh & Co Kg Vorrichtung fuer einen infrarot-bewegungsmelder zur variabilitaet seines erfassungswinkels
JPH02128534U (fr) * 1989-03-29 1990-10-23
DE4006631A1 (de) * 1990-03-03 1991-09-05 Berker Geb Schutzabdeckung fuer einen passiven infrarotbewegungsmelder mit der moeglichkeit, einen ueberwachungsbereich einzustellen
DE4023341A1 (de) * 1990-07-23 1992-01-30 Jung Gmbh Albrecht Passiver infrarotbewegungsmelder
DE9406661U1 (de) * 1994-04-21 1994-06-30 Merten Gmbh & Co Kg Geb Maske für einen Infrarot-Bewegungsmelder
JP2004333209A (ja) * 2003-05-01 2004-11-25 Nakano Engineering:Kk 熱線検知スイッチ
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JP2012211845A (ja) * 2011-03-31 2012-11-01 Secom Co Ltd 赤外線センサ
EP3407320A1 (fr) * 2017-05-23 2018-11-28 HAGER SECURITY (Société par Actions Simplifiée) Procédé d'assistance a l'installation d'au moins un occulteur réel pour un détecteur de présence et dispositif associé

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