DE2805423B2 - Light barrier arrangement - Google Patents
Light barrier arrangementInfo
- Publication number
- DE2805423B2 DE2805423B2 DE19782805423 DE2805423A DE2805423B2 DE 2805423 B2 DE2805423 B2 DE 2805423B2 DE 19782805423 DE19782805423 DE 19782805423 DE 2805423 A DE2805423 A DE 2805423A DE 2805423 B2 DE2805423 B2 DE 2805423B2
- Authority
- DE
- Germany
- Prior art keywords
- light
- barrier arrangement
- light barrier
- light beam
- receiver
- 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.)
- Ceased
Links
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
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
- G08B13/184—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using radiation reflectors
-
- 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
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
- G01V8/14—Detecting, e.g. by using light barriers using one transmitter and one receiver using reflectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Burglar Alarm Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
Description
Die Erfindung betrifft eine Lichtschrankenanordnung mit einem Lichtsender und einem von dessen Strahlung beaufschlagten Lichtempfänger, bei der Hin- und Rücklauf des Lichtstrahls aufgetrennten Wegen erfolgt.The invention relates to a light barrier arrangement with a light transmitter and one of its radiation acted upon light receiver, in which the outward and return travel of the light beam takes place on separate paths.
Bei derartigen Lichtschranken ist die Leitung eines Lichtstrahls jeweils auf der Seite des Objektes bzw. Raumes notwendig, von der her eine Überwachung erfolgen soll.With light barriers of this type, the direction of a light beam is always on the side of the object or Space is necessary from which monitoring is to take place.
Es ist bekannt, daß zur Erfüllung dieser Aufgabe Lichtschranken im Ein weg-Prinzip angeordnet werden. Dort wird jeweils von einer Lichtquelle aus ein Strahl zum gegenüberliegenden Empfänger gesandt, so daß eine Ebene überwacht werden kann.It is known that light barriers are arranged in the one-way principle to fulfill this task. There a beam is sent from a light source to the opposite receiver, so that one level can be monitored.
Ferner sind Anlagen bekannt (DE-AS 11 70 286), bei denen der Strahl von einer Lichtquelle auf einen gegenüberliegenden Reflektor gesandt und in derselben Ebene wieder zurückgeschickt wird, so daß ebenfalls nur eine Ebene bedient wird.Systems are also known (DE-AS 11 70 286), at which the beam from a light source is sent to an opposing reflector and in the same Level is sent back so that only one level is served.
Der Erfindung liegt die Aufgabe zugrunde, mit einemThe invention is based on the object with a
System mehrere Ebenen zu bedienen und damit die Zahl der erforderlichen Bauteile zu vermindern, wenn eine Kontrolle vor und hinter einem Raum bzw. ObjektSystem to operate several levels and thus to reduce the number of required components, if one Control in front of and behind a room or object
'> stattfinden soll, etwa bei Toren jeder Art.'> should take place, for example with gates of any kind.
Diese Aufgabe wird bei einer Lichtschrankenanordnung der eingangs genannten Art dadurch gelöst, daß sich das zu überwachende Objekt bzw. der zu überwachende Raum zwischen dem hin- und rücklaui» fenden Lichtstrahl befindet und daß der Lichtsender und der Lichtempfänger in einem Gehäuse kombiniert sind.This object is achieved in a light barrier arrangement of the type mentioned in that the object to be monitored or the space to be monitored between the outward and backward path. Fenden light beam is located and that the light transmitter and the light receiver are combined in one housing.
Der Vorteil der Erfindung liegt darin, daß mit geringem Aufwand an Material und Montageeinsatz die beidseitige Kontrolle von Objekten bzw. Räumen ι1· ermöglicht wird.The advantage of the invention is that the two-sided control of objects or spaces ι 1 · is made possible with little expenditure on material and assembly use.
Ein Ausführungsbeisoiel ist in der Zeichnung dargestellt. An exemplary embodiment is shown in the drawing.
A b b. 1 zeigt die Gesamtfunktion der Anlage:A b b. 1 shows the overall function of the system:
Der vom Sender 5 ausgesandte Lichtstrahl L 1 läuft vor dem betreffenden Objekt auf den Reflektor R und wird dort mittels Spiegeleinsätzen umgelenkt. Als Lichtstrahl L 2 läuft das Licht hinter dem Objekt zurück zum Empfänger £ The light beam L 1 emitted by the transmitter 5 runs in front of the object in question onto the reflector R and is deflected there by means of mirror inserts. As a light beam L 2, the light runs behind the object back to the receiver £
A b b. 2 zeigt die Bauweise der beiden Bauteile und 2ri die optische Bewegung:A b b. 2 shows the construction of the two components and 2 r i the optical movement:
Das U-förmige Rohr U enthält im einen Knickpunkt den Lichts^nder 5, von dem aus der Lichtstrahl zum Reflektor geschickt wird. Der Reflektorteil enthält die in ihren optischen Ebenen korrespondierenden Spiegeliii einsätze 51 und 52, mittels denen die Umlenkung des Lichtstrahls auf die Rücklaufbahn hinter dem Objekt erfolgt. Der so umgelenkte Lichtstrahl fällt zurück auf den im anderen Knickpunkt des U-förmigen Rohres U angebrachten Empfänger E, wo er aufgenommen wird.The U-shaped tube U contains at a kink the light transmitter 5, from which the light beam is sent to the reflector. The reflector part contains the mirror inserts 51 and 52, which correspond in their optical planes, by means of which the light beam is deflected onto the return path behind the object. The light beam deflected in this way falls back onto the receiver E attached at the other kink point of the U-shaped tube U , where it is recorded.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782805423 DE2805423B2 (en) | 1978-02-09 | 1978-02-09 | Light barrier arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782805423 DE2805423B2 (en) | 1978-02-09 | 1978-02-09 | Light barrier arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2805423A1 DE2805423A1 (en) | 1979-08-16 |
| DE2805423B2 true DE2805423B2 (en) | 1980-05-08 |
Family
ID=6031513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782805423 Ceased DE2805423B2 (en) | 1978-02-09 | 1978-02-09 | Light barrier arrangement |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2805423B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8709734U1 (en) * | 1987-06-17 | 1987-09-24 | Emil U. Adolf Becker Gmbh & Co Kg, 6349 Sinn | Device for burglar protection of windows or doors |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3530646A1 (en) * | 1985-08-28 | 1987-03-12 | Telenot Electronic Gmbh | AREA SECURING |
| US5796486A (en) * | 1997-03-31 | 1998-08-18 | Lam Research Corporation | Apparatus method for determining the presence or absence of a wafer on a wafer holder |
| FR2781576B1 (en) * | 1998-07-27 | 2000-09-29 | Valeo Systemes Dessuyage | DEVICE FOR DETECTION OF SOIL ON THE SURFACE OF A TRANSPARENT PLATE |
| FR2781575B1 (en) * | 1998-07-27 | 2000-09-29 | Valeo Systemes Dessuyage | DEVICE FOR DETECTING A LIQUID ON THE SURFACE OF A TRANSPARENT PLATE |
| DE10151327A1 (en) * | 2001-10-17 | 2003-04-30 | Sick Ag | Optoelectronic device, such as a light barrier, has a flexible optical fiber coupling unit that means the transmission and receiving units can be flexibly aligned |
| DE10346813B4 (en) | 2003-10-06 | 2013-08-29 | I F M Electronic Gmbh | An optoelectronic sensor and method for detecting an object in a surveillance area |
| DE102008063080B4 (en) | 2008-12-24 | 2011-05-26 | Pantron Instruments Gmbh | photocell |
-
1978
- 1978-02-09 DE DE19782805423 patent/DE2805423B2/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8709734U1 (en) * | 1987-06-17 | 1987-09-24 | Emil U. Adolf Becker Gmbh & Co Kg, 6349 Sinn | Device for burglar protection of windows or doors |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2805423A1 (en) | 1979-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| 8235 | Patent refused |