EP1258847B1 - Movement detector - Google Patents
Movement detector Download PDFInfo
- Publication number
- EP1258847B1 EP1258847B1 EP02010782A EP02010782A EP1258847B1 EP 1258847 B1 EP1258847 B1 EP 1258847B1 EP 02010782 A EP02010782 A EP 02010782A EP 02010782 A EP02010782 A EP 02010782A EP 1258847 B1 EP1258847 B1 EP 1258847B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor head
- housing
- shaft
- wall
- movement 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.)
- Expired - Lifetime
Links
- 230000005855 radiation Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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 a motion detector with a stationary mountable housing and a sensor head containing a sensor, the one about hemispherical support wall and then has a tip permeable to IR radiation, and a housing provided on the ball holder, the one Having guide slot in which a projecting from the support wall Shank is anchored.
- a motion detector with the characteristics of the generic term of the Patent claim 1 is known from DE 198 45 085 A1.
- This motion detector has a housing on which a sensor head with a Separation plane, which is less than 45 ° to the horizontal, is attached.
- the sensor head may face in the separation plane be pivoted to the housing, where it is in a position with horizontal detection area and one position with vertical Detection range is pivotable. In position with horizontal Detection range adjusts the sensor head of the housing contour good, while in the other position the adjustment Less successful and a part of the housing at an acute angle protrudes above the sensor head.
- the adjustment is made by turning a ball holder, which carries the sensor head and detachable on the housing is attached.
- the sensor head is in turn relative to swiveling the ball holder. For this purpose he attacks with a shaft in a guide slot of the ball holder, wherein the shaft Swivel movements of the sensor head allows, so that in the desired direction can be made.
- Another motion detector described in DE 37 35 956 A1 is, has a sensor head anchored to a ball holder is, which is arranged inside a housing. A projecting from the sensor head shaft protrudes through a guide slot of the cup-shaped ball holder through. in this connection is given a gimbal attachment of the sensor head, because this rotatable about two mutually perpendicular axes is and can be set in different directions can.
- the invention is based on the object, a motion detector to create, which allows different types of installation, wherein the sensor head is integrated into the housing without that this one needs a protruding arm.
- the sensor head is in a front wall and a front side of the fixed mountable Housing recessed, leaving its hemispherical support wall about half contained in the housing while the other half from the front wall or from the front side of the housing protrudes out.
- the sensor head can on the housing 10th occupy different positions, namely a first position, in the the supporting wall from the front of the housing protrudes while the IR radiation transmissive dome is in front of the front, and a second position, in the support wall protrudes from the front side of the housing, while the dome is in front of the front wall.
- the dome which is designed as a lens screen and the incident infrared radiation on one in the sensor head contained infrared sensor focused in the first position of the sensor head connects to the end wall of the housing, the longitudinal axis of the dome being parallel to the front wall of the housing runs.
- the second position is the Longitudinal axis of the dome perpendicular to the front wall of the housing aligned and the dome rises from the front wall on.
- the motion detector When the sensor head is set to the first position, the motion detector is particularly suitable for attachment on a vertical wall, preferably in the area close to the ceiling. When the sensor head is set to the second position is, the motion detector is particularly suitable for Ceiling mounting. In any case, the sensor head should be in the respective Position still be within limits. Thereby, that the sensor head with a shaft in a guide slot engages the ball holder, the sensor head in the plane the guide slot to be pivoted.
- the ball holder releasably attached to the housing and around a substantially parallel to the front wall extending axis pivotable. This pivoting about two axes is possible whereby a fine adjustment of the sensor head in any Directions can be made.
- the shaft of the sensor head is in the guide slot the ball holder guided non-rotatably and the guide slot has an extension in which a rotation of the Shank is possible.
- the shaft extends at an angle of about 45 ° to the Division plane of the sensor head.
- the motion detector has, according to FIG. 1, a housing 10 which is generally rectangular and a rear mounting wall 11, longitudinal side walls 12, a closed or open End face 13, an opposite end wall 14 and a has parallel to the mounting wall 11 extending front wall 15, which is designed as a lid.
- the housing 10 contains electrical Connection devices and electronic devices for the operation of the sensor.
- the sensor is located in the Sensor head 16, which is designed here as a solid sphere. This Sensor head is about half of a hemispherical Tragwand 17 and the other half of a hemispherical Dome 18.
- the support wall 17 is a plastic shell in which the (not shown) infrared sensor is mounted.
- the dome 18 is permeable to infrared radiation and it is as a lens screen formed, which contains numerous lens elements 19.
- These lenses can be used as Fresnel lenses or as three-dimensional Lenses or be designed as hologram lenses.
- the lens elements 19 each focus on one coverage area incident radiation to the infrared sensor.
- the dividing line between the support wall 17 and the dome 18 is as Equator 20 denotes. It does not necessarily have to be form exactly the ball equator but can also be offset. Incidentally, the shape of the dome 18 of a hemispherical shape differ.
- the front wall 15 includes an approximately semicircular recess 21, which extends over the pole of the support wall 17, so that the one half of the support wall in the housing 10 and the other half outside the case.
- the equator 20 is located approximately in the plane of the lower end face 13.
- the housing 10 can be attached to a wall, wherein the front wall 15 vertical runs. The detection range of the motion detector then becomes determined by the half space below the horizontal equator 20.
- Fig. 2 shows the motion detector with in the second position
- the equator 20 of the Sensor head approximately in the plane of the front wall 15, wherein the hemispherical support wall 17 also half in the housing 10 is arranged while the other half from the Outstanding front side 13.
- the housing 10 is provided with a Mounting wall 11 attached to the ceiling and the motion detector captures the half space below the ceiling.
- the sensor head can be additionally pivoted, namely about an axis parallel to the longitudinal axis 22 of the Housing 10 extends, and about an axis 23 which through the Ball center of the sensor head and parallel to the front side 13 and perpendicular to the axis 22 extends.
- These two Pivoting possibilities about the axes 22 and 23 are limited. They serve the fine alignment of the sensor head.
- FIG. 3 shows the fastening of the sensor head 16 in the housing 10.
- the sensor head is attached to a ball holder 25, which has a spherical bearing surface 26 at which the hemispherical Supporting wall 17 is applied.
- the ball holder 25 has a elongated keyhole-shaped guide slot 27, by a shaft 28 projecting radially from the support wall 17 protrudes.
- the shaft 28 is beyond the guide slot 27 provided with a wide disc 29, which the shaft in the Guide slot anchored, leaving the shaft only in the guide slot moved and can not be pulled out.
- Of the Shaft 28 has a diameter that is larger than the one the main part of the slot 27. It has flats 30, limit the rotatability in the guide slot 27 to ⁇ 15 °.
- At the one end of the guide slot 27 is located an extension 31, in which the shaft 28 about its axis can be turned.
- the shaft 28 in the guide slot 27 take two positions offset by 180 °.
- the opposite end of the guide slot 27 forms a End
- the ball holder 25 is provided with a latching hook 33, the has a detent which can be anchored in a slot 34 is.
- the slot 34 is located in an intermediate wall 35 of the Housing 10, which is parallel to the end face 13. Further Slots 36 and 37 in the intermediate wall 35 serve to accommodate of snap hooks 38 and 39 of the ball holder 25. On this Way is the ball holder with a three-point mount on the Intermediate wall 35 defined in a defined manner.
- the slots 34,36 and 37 are arched and longer than the Latch hooks 33,38 and 39, so that the ball holder 25 in limits can be pivoted about an axis that is parallel to the Longitudinal axis 22 of the housing 10 extends.
- the shaft 28 In the position shown in Fig. 3, the shaft 28 is located in the slot 27 near the extension 31, so that the Kugeläquator 20 obliquely to the plane of the end face 13, i.e. slightly increases in Fig. 3. If the sensor head 16 is slight pivoted so that the shaft 28 in the guide slot 27 slides up, then the sensor head 16 takes the first Position in which the equator 20 is in position 20a located. The equator lies in the plane of the front side 13 or slightly offset parallel thereto.
- the sensor head To move the sensor head from the first position to the second position to bring, it is pivoted relative to the ball holder 25, such that the shaft 28 is in the region of extension 31 of the guide slot 27 passes (Fig. 5). Then it will be the sensor head is rotated about the longitudinal axis of the shaft 28 by 180 ° (FIG. 6) and finally the sensor head is again pivoted in such a way, that the shaft 28 from the region of the extension 31st into the narrower part of the guide slot 27 (FIG. 7). There will he is set to take the second position in Fig. 2 is shown.
- the shaft 28 is tubular and hollow. He serves to carry out a cable 40 through which the inside of the sensor head included sensor with that contained in the housing 10 Electronics is connected.
- the cable 40 fits all Pivoting and rotational movements of the shaft 28 at.
- the sensor head is attached only by the shaft to the ball holder 25. So he has only a single fastener.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Burglar Alarm Systems (AREA)
- Vehicle Body Suspensions (AREA)
- Eye Examination Apparatus (AREA)
- Nuclear Medicine (AREA)
Abstract
Description
Die Erfindung betrifft einen Bewegungsmelder mit einem ortsfest montierbaren Gehäuse und einem eine Sensorik enthaltenden Sensorkopf, der eine etwa halbkugelförmige Tragwand und daran anschließend eine für IR-Strahlung durchlässige Kuppe aufweist, und einem an dem Gehäuse vorgesehenen Kugelhalter, der einen Führungsschlitz aufweist, in dem ein von der Tragwand abstehender Schaft verankert ist.The invention relates to a motion detector with a stationary mountable housing and a sensor head containing a sensor, the one about hemispherical support wall and then has a tip permeable to IR radiation, and a housing provided on the ball holder, the one Having guide slot in which a projecting from the support wall Shank is anchored.
Ein Bewegungsmelder mit den Merkmalen des Oberbegriffs des Patentanspruchs 1 ist bekannt aus DE 198 45 085 A1. Dieser Bewegungsmelder hat ein Gehäuse, an dem ein Sensorkopf mit einer Trennungsebene, die unter etwa 45° zur Horizontalen verläuft, befestigt ist. Der Sensorkopf kann in der Trennungsebene gegenüber dem Gehäuse verschwenkt werden, wobei er in eine Position mit horizontalem Erfassungsbereich und eine Position mit vertikalem Erfassungsbereich schwenkbar ist. In der Position mit horizontalem Erfassungsbereich passt sich der Sensorkopf der Gehäusekontur gut an, während in der anderen Position die Anpassung weniger gut gelingt und ein Teil des Gehäuses spitzwinklig über den Sensorkopf ragt. Die Verstellung erfolgt durch Drehen eines Kugelhalters, der den Sensorkopf trägt und lösbar am Gehäuse befestigt ist. Der Sensorkopf ist seinerseits relativ zu dem Kugelhalter schwenkbar. Hierzu greift er mit einem Schaft in einen Führungsschlitz des Kugelhalters ein, wobei der Schaft Schwenkbewegungen des Sensorkopfes zulässt, damit dieser in die gewünschte Richtung gestellt werden kann.A motion detector with the characteristics of the generic term of the Patent claim 1 is known from DE 198 45 085 A1. This motion detector has a housing on which a sensor head with a Separation plane, which is less than 45 ° to the horizontal, is attached. The sensor head may face in the separation plane be pivoted to the housing, where it is in a position with horizontal detection area and one position with vertical Detection range is pivotable. In position with horizontal Detection range adjusts the sensor head of the housing contour good, while in the other position the adjustment Less successful and a part of the housing at an acute angle protrudes above the sensor head. The adjustment is made by turning a ball holder, which carries the sensor head and detachable on the housing is attached. The sensor head is in turn relative to swiveling the ball holder. For this purpose he attacks with a shaft in a guide slot of the ball holder, wherein the shaft Swivel movements of the sensor head allows, so that in the desired direction can be made.
Ein anderer Bewegungsmelder, der in DE 37 35 956 A1 beschrieben
ist, weist einen Sensorkopf auf, der an einem Kugelhalter verankert
ist, welcher im Innern eines Gehäuses angeordnet ist.
Ein von dem Sensorkopf abstehender Schaft ragt durch einen Führungsschlitz
des schalenförmigen Kugelhalters hindurch. Hierbei
ist eine kardanische Befestigung des Sensorkopfes gegeben, weil
dieser um zwei senkrecht zueinander verlaufende Achsen drehbar
ist und auf unterschiedliche Richtungen eingestellt werden
kann.Another motion detector described in
Der Erfindung liegt die Aufgabe zugrunde, einen Bewegungsmelder zu schaffen, der unterschiedliche Montagearten ermöglicht, wobei der Sensorkopf in das Gehäuse integriert ist, ohne dass dieses einen abstehenden Arm benötigt.The invention is based on the object, a motion detector to create, which allows different types of installation, wherein the sensor head is integrated into the housing without that this one needs a protruding arm.
Die Lösung dieser Aufgabe erfolgt erfindungsgemäß mit den im Patentanspruch 1 angegebenen Merkmalen.The solution of this object is achieved according to the invention in the Claim 1 features specified.
Bei dem erfindungsgemäßen Bewegungsmelder ist der Sensorkopf in eine Frontwand und eine Stirnseite des ortsfest montierbaren Gehäuses eingelassen, so dass seine halbkugelförmige Tragwand etwa zur Hälfte in dem Gehäuse enthalten ist, während die andere Hälfte aus der Frontwand bzw. aus der Stirnseite des Gehäuses heraus vorsteht. Der Sensorkopf kann am Gehäuse 10 unterschiedliche Positionen einnehmen, nämlich eine erste Position, in der die Tragwand aus der Frontseite des Gehäuses hervorsteht, während die für IR-Strahlung durchlässige Kuppe sich vor der Stirnseite befindet, und eine zweite Position, in der die Tragwand aus der Stirnseite des Gehäuses hervorsteht, während die Kuppe sich vor der Frontwand befindet. Dies bedeutet, dass die Kuppe, die als Linsenschirm ausgebildet ist und die einfallende Infrarotstrahlung auf einen im Sensorkopf enthaltenen Infrarotsensor fokussiert, sich in der ersten Position des Sensorkopfes an die Stirnwand des Gehäuses anschließt, wobei die Längsachse der Kuppe parallel zur Frontwand des Gehäuses verläuft. In der zweiten Position ist dagegen die Längsachse der Kuppe rechtwinklig zur Frontwand des Gehäuses ausgerichtet und die Kuppe ragt von der Frontwand aus auf.In the motion detector according to the invention, the sensor head is in a front wall and a front side of the fixed mountable Housing recessed, leaving its hemispherical support wall about half contained in the housing while the other half from the front wall or from the front side of the housing protrudes out. The sensor head can on the housing 10th occupy different positions, namely a first position, in the the supporting wall from the front of the housing protrudes while the IR radiation transmissive dome is in front of the front, and a second position, in the support wall protrudes from the front side of the housing, while the dome is in front of the front wall. This means, that the dome, which is designed as a lens screen and the incident infrared radiation on one in the sensor head contained infrared sensor focused in the first position of the sensor head connects to the end wall of the housing, the longitudinal axis of the dome being parallel to the front wall of the housing runs. In the second position, however, is the Longitudinal axis of the dome perpendicular to the front wall of the housing aligned and the dome rises from the front wall on.
Wenn der Sensorkopf auf die erste Position eingestellt ist, eignet sich der Bewegungsmelder insbesondere für die Befestigung an einer senkrechten Wand, vorzugsweise im deckennahen Bereich. Wenn der Sensorkopf auf die zweite Position eingestellt ist, eignet sich der Bewegungsmelder insbesondere für die Deckenmontage. In jedem Fall sollte der Sensorkopf in der jeweiligen Position noch in Grenzen einstellbar sein. Dadurch, dass der Sensorkopf mit einem Schaft in einen Führungsschlitz des Kugelhalters eingreift, kann der Sensorkopf in der Ebene des Führungsschlitzes verschwenkt werden.When the sensor head is set to the first position, the motion detector is particularly suitable for attachment on a vertical wall, preferably in the area close to the ceiling. When the sensor head is set to the second position is, the motion detector is particularly suitable for Ceiling mounting. In any case, the sensor head should be in the respective Position still be within limits. Thereby, that the sensor head with a shaft in a guide slot engages the ball holder, the sensor head in the plane the guide slot to be pivoted.
Gemäß einer bevorzugten Weiterbildung der Erfindung ist der Kugelhalter lösbar an dem Gehäuse befestigt und um eine im Wesentlichen parallel zu der Frontwand verlaufende Achse schwenkbar. Hierbei ist eine Verschwenkung um zwei Achsen möglich, wodurch eine Feineinstellung des Sensorkopfes in beliebigen Richtungen vorgenommen werden kann.According to a preferred embodiment of the invention is the ball holder releasably attached to the housing and around a substantially parallel to the front wall extending axis pivotable. This pivoting about two axes is possible whereby a fine adjustment of the sensor head in any Directions can be made.
Vorzugsweise ist der Schaft des Sensorkopfes in dem Führungsschlitz des Kugelhalters unverdrehbar geführt und der Führungsschlitz weist eine Erweiterung auf, in der eine Drehung des Schaftes möglich ist. Dies erlaubt es, den Sensorkopf jeweils in seiner einen Endstellung um die Schaftachse herum zu drehen. In dieser Endstellung, die keiner Gebrauchsstellung entspricht, sondern nur zur Verstellung des Sensorkopfes zwischen der ersten und der zweiten Position eingenommen wird, kann der Sensorkopf derart verschwenkt werden, dass die Teilungsebene, die die halbkugelförmige Tragwand mit der Kuppel verbindet, durch Drehen des Sensorkopfes um die Schaftsachse um 90° verschwenkt wird. Der Schaft verläuft in einem Winkel von etwa 45° zu der Teilungsebene des Sensorkopfes.Preferably, the shaft of the sensor head is in the guide slot the ball holder guided non-rotatably and the guide slot has an extension in which a rotation of the Shank is possible. This allows the sensor head respectively to rotate in its one end position around the shaft axis. In this end position, which corresponds to no position of use, but only for adjustment of the sensor head between the first and second position, the sensor head be pivoted so that the division plane, the the hemispherical supporting wall connects with the dome, through Turn the sensor head about the shaft axis pivoted by 90 ° becomes. The shaft extends at an angle of about 45 ° to the Division plane of the sensor head.
Im folgenden wird unter Bezugnahme auf die Zeichnungen ein Ausführungsbeispiel der Erfindung näher erläutert.An embodiment will be described below with reference to the drawings the invention explained in more detail.
Es zeigen:
- Fig. 1
- eine Ansicht des Bewegungsmelders in der ersten Position des Sensorkopfes bei Wandmontage,
- Fig. 2
- eine Ansicht des Bewegungsmelders in der zweiten Position des Sensorkopfes bei Deckenmontage,
- Fig. 3
- eine Rückansicht des Bewegungsmelders bei vom Gehäuse abgenommenen Kugelhalter,
- Fig. 4
- eine Prinzipdarstellung des in dem Führungsschlitz des Kugelhalters geführten Schafts des Sensorkopfes in dem Zustand von Fig. 3,
- Fig. 5
- den Sensorkopf in der Schwenkposition, in der der Schaft sich im Bereich der Erweiterung des Führungsschlitzes befindet,
- Fig. 6
- den Zustand, in dem der Schaft in der Erweiterung des Führungsschlitzes um seine Achse um 180° gedreht ist, und
- Fig. 5
- den Sensorkopf in seiner zweiten Position, bei der der Schaft sich wieder im engen Bereich des Führungsschlitzes befindet.
- Fig. 1
- a view of the motion detector in the first position of the sensor head when mounted on a wall,
- Fig. 2
- a view of the motion detector in the second position of the sensor head in ceiling mounting,
- Fig. 3
- a rear view of the motion detector with removed from the housing ball holder,
- Fig. 4
- a schematic representation of the guided in the guide slot of the ball holder stem of the sensor head in the state of Fig. 3,
- Fig. 5
- the sensor head in the pivoting position, in which the shaft is located in the region of the extension of the guide slot,
- Fig. 6
- the state in which the shaft is rotated in the extension of the guide slot about its axis by 180 °, and
- Fig. 5
- the sensor head in its second position, in which the shaft is again in the narrow region of the guide slot.
Der Bewegungsmelder weist gemäß Fig. 1 ein Gehäuse 10 auf, das
generell rechteckig ist und eine rückwärtige Montagewand 11,
längslaufende Seitenwände 12, eine geschlossene oder offene
Stirnseite 13, eine gegenüberliegende Stirnwand 14 und eine
parallel zur Montagewand 11 verlaufende Frontwand 15 aufweist,
die als Deckel ausgebildet ist. Das Gehäuse 10 enthält elektrische
Anschlussvorrichtungen und elektronische Einrichtungen
für den Betrieb des Sensors. Der Sensor befindet sich in dem
Sensorkopf 16, der hier als Vollkugel ausgebildet ist. Dieser
Sensorkopf besteht etwa zur Hälfte aus einer halbkugelförmigen
Tragwand 17 und zur anderen Hälfte aus einer halbkugelförmigen
Kuppe 18. Die Tragwand 17 ist eine Kunststoffschale, in der der
(nicht dargestellte) Infrarotsensor montiert ist. Die Kuppe 18
ist für Infrarotstrahlung durchlässig und sie ist als Linsenschirm
ausgebildet, der zahlreiche Linsenelemente 19 enthält.
Diese Linsen können als Fresnellinsen oder als dreidimensionale
Linsen oder auch als Hologrammlinsen ausgebildet sein. Die Linsenelemente
19 fokussieren die jeweils aus einem Erfassungsbereich
einfallende Strahlung auf den Infrarotsensor. Die Trennungslinie
zwischen der Tragwand 17 und der Kuppe 18 wird als
Äquator 20 bezeichnet. Sie muss allerdings nicht unbedingt
exakt den Kugeläquator bilden sondern kann auch versetzt sein.
Im übrigen kann die Form der Kuppe 18 von einer Halbkugelform
abweichen.The motion detector has, according to FIG. 1, a
Die Frontwand 15 enthält eine etwa halbkreisförmige Aussparung
21, die über den Pol der Tragwand 17 verläuft, so dass sich die
eine Hälfte der Tragwand im Gehäuse 10 und die andere Hälfte
außerhalb des Gehäuses befindet. Der Äquator 20 liegt etwa in
der Ebene der unteren Stirnseite 13. Das Gehäuse 10 kann an
einer Wand befestigt werden, wobei die Frontwand 15 vertikal
verläuft. Der Erfassungsbereich des Bewegungsmelders wird dann
durch den Halbraum unterhalb des horizontalen Äquators 20 bestimmt.The
Fig. 2 zeigt den Bewegungsmelder mit in der zweiten Position
befindlichem Sensorkopf 16. Hierbei verläuft der Äquator 20 des
Sensorkopfes etwa in der Ebene der Frontwand 15, wobei die
halbkugelförmige Tragwand 17 ebenfalls zur Hälfte in dem Gehäuse
10 angeordnet ist, während die andere Hälfte aus der
Stirnseite 13 heraus vorsteht. Das Gehäuse 10 wird mit einer
Montagewand 11 an der Raumdecke befestigt und der Bewegungsmelder
erfasst den Halbraum unterhalb der Raumdecke.Fig. 2 shows the motion detector with in the second position
In this case, the
In beiden Positionen, nämlich der ersten Position, die in Fig.
1 dargestellt ist, und der zweiten Position, die in Fig. 2 dargestellt
ist, kann der Sensorkopf zusätzlich verschwenkt werden,
nämlich um eine Achse, die parallel zur Längsachse 22 des
Gehäuses 10 verläuft, und um eine Achse 23, die durch den
Kugelmittelpunkt des Sensorkopfes und parallel zur Stirnseite
13 und rechtwinklig zur Achse 22 verläuft. Diese beiden
Schwenkmöglichkeiten um die Achsen 22 und 23 sind jedoch begrenzt.
Sie dienen der Feinausrichtung des Sensorkopfes.In both positions, namely the first position shown in FIG.
1 and the second position shown in FIG
is, the sensor head can be additionally pivoted,
namely about an axis parallel to the
Fig. 3 zeigt die Befestigung des Sensorkopfes 16 im Gehäuse 10.
Hierzu ist der Sensorkopf an einem Kugelhalter 25 befestigt,
der eine sphärische Anlagefläche 26 hat, an der die halbkugelförmige
Tragwand 17 anliegt. Der Kugelhalter 25 weist einen
langgestreckten schlüssellochförmigen Führungsschlitz 27 auf,
durch den ein radial von der Tragwand 17 abstehender Schaft 28
hindurchragt. Der Schaft 28 ist jenseits des Führungsschlitzes
27 mit einer breiten Scheibe 29 versehen, die den Schaft in dem
Führungsschlitz verankert, so dass der Schaft nur in dem Führungsschlitz
bewegt und nicht herausgezogen werden kann. Der
Schaft 28 hat einen Durchmesser, der größer ist als derjenige
des Hauptteils des Schlitzes 27. Er weist Abflachungen 30 auf,
die die Verdrehbarkeit in dem Führungsschlitz 27 auf ± 15° begrenzen.
An dem einen Ende des Führungsschlitzes 27 befindet
sich eine Erweiterung 31, in der der Schaft 28 um seine Achse
gedreht werden kann. Somit kann der Schaft 28 in dem Führungsschlitz
27 zwei um 180° versetzte Positionen einnehmen. Das
entgegengesetzte Ende des Führungsschlitzes 27 bildet einen
Endanschlag 32.FIG. 3 shows the fastening of the
Der Kugelhalter 25 ist mit einem Rasthaken 33 versehen, der
eine Rastnase aufweist, die in einem Schlitz 34 verankerbar
ist. Der Schlitz 34 befindet sich in einer Zwischenwand 35 des
Gehäuses 10, die parallel zu der Stirnseite 13 verläuft. Weitere
Schlitze 36 und 37 in der Zwischenwand 35 dienen zur Aufnahme
von Rasthaken 38 und 39 des Kugelhalters 25. Auf diese
Weise ist der Kugelhalter mit einer Dreipunkthalterung an der
Zwischenwand 35 in definierter Weise festgelegt. Die Schlitze
34,36 und 37 sind bogenförmig gestaltet und länger als die
Rasthaken 33,38 und 39, so dass der Kugelhalter 25 in Grenzen
um eine Achse geschwenkt werden kann, die parallel zu der
Längsachse 22 des Gehäuses 10 verläuft.The
In der in Fig. 3 gezeigten Position befindet sich der Schaft 28
im Schlitz 27 in der Nähe der Erweiterung 31, so dass der
Kugeläquator 20 schräg zur Ebene der Stirnseite 13 verläuft,
d.h. in Fig. 3 geringfügig ansteigt. Wird der Sensorkopf 16 geringfügig
verschwenkt, so dass der Schaft 28 im Führungsschlitz
27 nach oben gleitet, dann nimmt der Sensorkopf 16 die erste
Position ein, in der der Äquator 20 sich in der Position 20a
befindet. Der Äquator liegt hierbei in der Ebene der Stirnseite
13 oder geringfügig hierzu parallel versetzt.In the position shown in Fig. 3, the
Um den Sensorkopf von der ersten Position in die zweite Position
zu bringen, wird er relativ zu dem Kugelhalter 25 verschwenkt,
derart, dass der Schaft 28 in dem Bereich der Erweiterung
31 des Führungsschlitzes 27 gelangt (Fig. 5). Dann wird
der Sensorkopf um die Längsachse des Schafts 28 um 180° gedreht
(Fig. 6) und schließlich wird der Sensorkopf wieder derart geschwenkt,
dass der Schaft 28 aus dem Bereich der Erweiterung 31
in den engeren Teil des Führungsschlitzes 27 gelangt (FIG. 7). Dort wird
er so eingestellt, dass er die zweite Position einnimmt, die in
Fig. 2 dargestellt ist.To move the sensor head from the first position to the second position
to bring, it is pivoted relative to the
Der Schaft 28 ist rohrförmig und hohl. Er dient zur Durchführung
eines Kabels 40, durch das der im Innern des Sensorkopfes
enthaltene Sensor mit der im Gehäuse 10 enthaltenen
Elektronik verbunden ist. Das Kabel 40 passt sich sämtlichen
Schwenk- und Drehbewegungen des Schaftes 28 an. Der Sensorkopf
ist ausschließlich durch den Schaft an dem Kugelhalter 25 befestigt.
Er weist also nur ein einziges Befestigungsteil auf.The
Claims (6)
- A movement detector comprising a housing (10) adapted for stationary mounting and a sensor head (16) that includes a sensor appliance and comprises an approximately semi-spherical supporting wall (17) and an adjoining dome (18) transparent to IR radiation, and a sphere holder (25) provided on the housing (10) and having a guiding slot (27) at which a shaft (28) is anchored that projects from the supporting wall (17),
characterized in that
the housing (10) comprises a front wall (15) and an end face (13), and that the semi-spherical supporting wall (17) of the sensor head (16) is adjustable to a first position at the sphere holder (25), in which the supporting wall (17) protrudes from the front wall (15) of the housing (10), whereas the dome (18) is situated in front of the end face (13), and to a second position in which the supporting wall (17) protrudes from the end face (13) of the housing (10), whereas the dome (18) is situated in front of the front wall (15). - The movement detector of claim 1, characterized in that the sphere holder (25) is detachably fastened in the housing (10).
- The movement detector of claim 1 or 2, characterized in that the sphere holder is pivotable about an axis extending substantially in parallel to the front wall of the housing (10).
- The movement detector of one of claims 1 - 3, characterized in that the shaft (28) of the sensor head (16) is guided in the guiding slot (27) of the sphere holder (25) in a manner secured against rotation or with limited rotatability, and the guiding slot (27) comprises a flaring (31) in which the shaft (28) can be rotated.
- The movement detector of one of claims 1-4, characterized in that the guiding slot (27) has an end stop (32) limiting the first and the second position of the shaft (28) of the sensor head (16).
- The movement detector of claims 3 and 5, characterized in that the end stop (32) is provided at that end of the guiding slot (27) that is opposite the flaring (31).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10123468 | 2001-05-15 | ||
| DE10123468A DE10123468A1 (en) | 2001-05-15 | 2001-05-15 | motion detector |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1258847A2 EP1258847A2 (en) | 2002-11-20 |
| EP1258847A3 EP1258847A3 (en) | 2003-07-30 |
| EP1258847B1 true EP1258847B1 (en) | 2005-11-30 |
Family
ID=7684769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02010782A Expired - Lifetime EP1258847B1 (en) | 2001-05-15 | 2002-05-15 | Movement detector |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1258847B1 (en) |
| AT (1) | ATE311642T1 (en) |
| DE (2) | DE10123468A1 (en) |
| ES (1) | ES2253474T3 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006018732A1 (en) * | 2006-04-20 | 2007-10-25 | Steinel Gmbh | Infrared motion sensor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3735956A1 (en) * | 1987-10-23 | 1989-05-03 | Kopp Gmbh & Co Kg Heinrich | Optical alignment means for infrared movement detectors (proximity detectors), punctiform lamps and the like |
| GB8808789D0 (en) * | 1988-04-14 | 1988-05-18 | Linolite Ltd | Infra red detector |
| DE3826108A1 (en) * | 1988-08-01 | 1990-02-22 | Diehl Gmbh & Co | PASSIVE INFRARED INDUSTRY DETECTOR FOR SPACE MONITORING |
| DE9201889U1 (en) * | 1992-02-14 | 1992-07-09 | Brück, Friedrich, 51789 Lindlar | motion detector |
| DE29509400U1 (en) * | 1995-06-08 | 1995-09-28 | GEV Gutkes Elektro Vertriebs GmbH, 30559 Hannover | Motion detector arrangement |
| DE29620402U1 (en) * | 1996-11-22 | 1997-06-19 | Gebr. Merten GmbH & Co. KG, 51674 Wiehl | motion detector |
| DE29620404U1 (en) * | 1996-11-22 | 1997-06-19 | Gebr. Merten GmbH & Co. KG, 51674 Wiehl | Infrared motion detector |
| DE19845085A1 (en) * | 1998-09-30 | 2000-04-06 | Dietmar Brueck | Motion detector for wall mounting; has bracket at angle of 45 degrees to allow inclined alignment of sensor |
-
2001
- 2001-05-15 DE DE10123468A patent/DE10123468A1/en not_active Withdrawn
-
2002
- 2002-05-15 EP EP02010782A patent/EP1258847B1/en not_active Expired - Lifetime
- 2002-05-15 ES ES02010782T patent/ES2253474T3/en not_active Expired - Lifetime
- 2002-05-15 DE DE50205083T patent/DE50205083D1/en not_active Expired - Lifetime
- 2002-05-15 AT AT02010782T patent/ATE311642T1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DE10123468A1 (en) | 2002-11-21 |
| EP1258847A3 (en) | 2003-07-30 |
| ES2253474T3 (en) | 2006-06-01 |
| ATE311642T1 (en) | 2005-12-15 |
| EP1258847A2 (en) | 2002-11-20 |
| DE50205083D1 (en) | 2006-01-05 |
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