EP1045353B1 - Cellule photoélectrique - Google Patents

Cellule photoélectrique Download PDF

Info

Publication number
EP1045353B1
EP1045353B1 EP00107054A EP00107054A EP1045353B1 EP 1045353 B1 EP1045353 B1 EP 1045353B1 EP 00107054 A EP00107054 A EP 00107054A EP 00107054 A EP00107054 A EP 00107054A EP 1045353 B1 EP1045353 B1 EP 1045353B1
Authority
EP
European Patent Office
Prior art keywords
shell
axis
photocell
projector
wings
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
EP00107054A
Other languages
German (de)
English (en)
Other versions
EP1045353A2 (fr
EP1045353A3 (fr
Inventor
Matteo Cardin
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.)
Cardin Elettronica SpA
Original Assignee
Cardin Elettronica SpA
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 Cardin Elettronica SpA filed Critical Cardin Elettronica SpA
Publication of EP1045353A2 publication Critical patent/EP1045353A2/fr
Publication of EP1045353A3 publication Critical patent/EP1045353A3/fr
Application granted granted Critical
Publication of EP1045353B1 publication Critical patent/EP1045353B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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

Definitions

  • the present invention relates to a photocell.
  • Photocells which substantially comprise a box-like body constituted by a first half-shell and by a second half-shell which can be mutually coupled.
  • Suitable electric devices which comprise a light source are associated at the first half-shell.
  • the second half-shell has instead a transparent region which allows the light beam to pass.
  • Photocells are known which are used for example to protect a work area, for example road barriers or gate wings or other moving mechanical elements, allowing or preventing the opening of the mechanical element in case of presence of people or objects, in practice monitoring the work area.
  • a photocell which comprises an infrared light source which, in order to protect the work area, can be subjected for example to an adjustment of the light beam on a vertical plane; it is known to arrange inside the photocell, for this purpose, a mirror which by rotating can alter the orientation of the beam.
  • US-A-4,282,430 discloses a reflection-type photoelectric switching apparatus which in the same housing comprises a light projecting and a light receiving devices. This apparatus is used for detecting an object present only in a predetermined detection range which is very small in width and depth and with a light beam that can be adjusted in one plane only.
  • the aim of the present invention is to solve the above-noted drawbacks, eliminating the drawbacks of the cited prior art, by providing a photocell which allows the user to vary the regions to be protected by modifying the orientation of the light beam even after the photocell has been installed, all this being achieved in optimum operating conditions and therefore with constant positioning of the beam even in case of accidental impacts and/or vibrations applied accidentally to the photocell.
  • an object of the present invention is to provide a photocell which has a reduced volume and is therefore structurally compact.
  • Another object of the present invention is to provide a photocell in which the angle that can be given to the light beam can be modified quickly and easily.
  • Another object of the present invention is to provide a photocell which combines with the preceding characteristics that of being reliable and safe in use and of having low manufacturing costs.
  • a photocell which comprises a box-like body constituted by a first half-shell for containing electronic devices and by a second half-shell which has a region which allows the passage of a light beam, characterized in that inside said first half-shell there is a support which is mounted on a first vertical axis and is meant to support a projector or receiver element which is in turn selectively mounted on a second axis which is perpendicular to said first axis.
  • the reference numeral 1 designates the photocell according to the present invention, which comprises a box-like body 2 constituted by a first half-shell 3 and by a second half-shell 4 which can be mutually coupled by means of adapted screws 5 which can be associated, for example, frontally to the second half-shell 4; the stem of the screws can be associated at adapted first seats formed in a first half-shell 3.
  • connection between the first half-shell and the second half-shell can furthermore be facilitated by the presence of adapted tabs 7 which protrude therefrom along its perimeter and are substantially L-shaped, with a free end which can be inserted at complementarily shaped second seats 8 formed inside the second half-shell 4.
  • Suitable electronic devices 9, such as for example electronic circuits, can be arranged within the first half-shell 3; a supporting wing 10 further protrudes toward the second half-shell 4 proximate to the upper end of the first half-shell 3 and supports a light source such as a projector element or a receiver element, designated by the reference numeral 11; the projector element can be constituted by an infrared light source, while the receiver element can be constituted by a receiver for an optical signal.
  • a substantially C-shaped fork 13 is pivoted at right angles to the wing 10 and therefore at a first axis 12; its second wings 14a and 14b are directed away from the wing 10.
  • the light source 11 is rotatably associated between the second wings 14a and 14b and rotates at a second axis 15 which is perpendicular to the first axis 12.
  • Such rotation can be set selectively by the user, since means are provided which are suitable to discriminate the angular arrangement of the photocell; said means are constituted by suitable sets of teeth 16 and complementary sets of teeth 17 which protrude respectively from the lateral surfaces of the light source 11 and from the internal lateral surfaces of the second wings 14a and 14b of the fork 13.
  • a semitransparent region 18 is formed at the light source 11 at the second half-shell 4 and is adapted to allow the passage of the light beam.
  • the invention has achieved the intended aim and objects, a photocell having been provided which can be installed and therefore positioned without special care, since the light beam can be positioned rapidly and in an optimum manner by the operator by turning the fork 13 in order to orientate it on a horizontal plane and by turning the light source 11 in order to orientate it on a vertical plane.
  • the presence of the complementary set of teeth 17 and of the set of teeth 16 further allows to stably select the arrangement of the light source 11 on the vertical plane, thus making the photocell free from malfunctions caused by vibrations and/or accidental impacts.
  • the resulting photocell is furthermore merely very compact as well as reliable and safe in use and has low associated costs.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gloves (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Hybrid Cells (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (5)

  1. Cellule photoélectrique comprenant un corps en forme de boítier (2) constitué par une première demi-coque (3) pour contenir des dispositifs électroniques et par une seconde demi-coque (4) qui a une région qui permet le passage d'un faisceau lumineux, à l'intérieur de ladite première demi-coque se trouve un support (13) qui est monté sur un premier axe vertical (12) et est destiné à supporter un élément projecteur ou récepteur (11) qui est monté de façon rotative le long d'un second axe (15) qui est perpendiculaire audit premier axe,
    caractérisée en ce que ledit support (13) est monté pivotant sur le premier axe vertical (12) de façon à orienter le faisceau lumineux sur un plan horizontal.
  2. Cellule photoélectrique selon la revendication 1,
    caractérisée en ce qu'une aile de support (10) pour ledit élément projecteur ou ledit élément récepteur (11) fait saillie à l'intérieur de ladite première demi-coque, à proximité de l'extrémité supérieure et vers ladite seconde demi-coque.
  3. Cellule photoélectrique selon la revendication 2,
    caractérisée en ce qu'un étrier sensiblement en forme de C (13) comprenant des secondes ailes (14a, 14b) est monté pivotant à angle droit avec ladite aile (10) au niveau d'un premier axe qui est perpendiculaire à celle-ci, les ailes (14a, 14b) dudit étrier s'éloignant de ladite aile de support (10).
  4. Cellule photoélectrique selon la revendication 3,
    caractérisée en ce que ledit élément projecteur ou ledit élément récepteur est associé de façon rotative entre lesdites ailes (14a, 14b) dudit étrier et tourne autour dudit second axe qui est perpendiculaire audit premier axe.
  5. Cellule photoélectrique selon les revendications 1 et 4,
    caractérisée en ce que la rotation sur ledit second axe peut être réglée sélectivement par l'utilisateur, des moyens étant prévus pour établir la distinction de l'agencement angulaire dudit élément projecteur ou récepteur, lesdits moyens étant constitués par des séries de dents et des séries complémentaires de dents qui font saillie respectivement des surfaces latérales dudit élément projecteur ou récepteur et des surfaces latérales internes desdites ailes (14a, 14b) de l'étrier.
EP00107054A 1999-04-16 2000-04-04 Cellule photoélectrique Expired - Lifetime EP1045353B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTV990019 1999-04-16
IT1999TV000019U IT248101Y1 (it) 1999-04-16 1999-04-16 Struttura di fotocellula

Publications (3)

Publication Number Publication Date
EP1045353A2 EP1045353A2 (fr) 2000-10-18
EP1045353A3 EP1045353A3 (fr) 2001-04-11
EP1045353B1 true EP1045353B1 (fr) 2004-06-16

Family

ID=11420560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00107054A Expired - Lifetime EP1045353B1 (fr) 1999-04-16 2000-04-04 Cellule photoélectrique

Country Status (4)

Country Link
EP (1) EP1045353B1 (fr)
AT (1) ATE269568T1 (fr)
DE (1) DE60011505D1 (fr)
IT (1) IT248101Y1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3896406B2 (ja) * 2002-04-11 2007-03-22 オプテックス株式会社 防犯用センサ装置
FR2855296B1 (fr) * 2003-05-20 2005-08-19 Christian Desliens Photocellule orientale, anti-vandale et etanche
ITTO20040461A1 (it) 2004-07-07 2004-10-07 Deitech S R L Elemento di barriera a radiazione
ITMO20060285A1 (it) * 2006-09-15 2008-03-16 Gi Bi Di Continental S P A Fotocellula ad orientazione regolabile particolarmente per barriere ottiche.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931814B2 (ja) * 1978-06-19 1984-08-04 オムロン株式会社 反射形光電スイッチ
DE8702841U1 (de) * 1987-02-25 1987-04-09 Bron Elektronik AG, Allschwil, Basel Aufhängevorrichtung für fotografische Beleuchtungsgeräte
US5245177A (en) * 1991-10-24 1993-09-14 Schiller Norman H Electro-optical system for detecting the presence of an object within a predetermined detection system

Also Published As

Publication number Publication date
IT248101Y1 (it) 2002-12-10
ITTV990019U1 (it) 2000-10-16
EP1045353A2 (fr) 2000-10-18
DE60011505D1 (de) 2004-07-22
EP1045353A3 (fr) 2001-04-11
ITTV990019V0 (it) 1999-04-16
ATE269568T1 (de) 2004-07-15

Similar Documents

Publication Publication Date Title
US4282430A (en) Reflection-type photoelectric switching apparatus
US4472908A (en) Automatic gate
KR880001191B1 (ko) 광 방향 센서(Sensor)
US20190259257A1 (en) Security sensor device
EP1045353B1 (fr) Cellule photoélectrique
EP1868171B1 (fr) Capteur anti-agression avec difference graduelle de protection contre le gel
JP2004170128A (ja) センサ
EP2911127B1 (fr) Dispositif de détection d'intrusion
CA2167643A1 (fr) Dispositif de commande de curseur
JPS5929274Y2 (ja) 減光式煙感知器
JP2000123615A (ja) 日光照射機
JP2589894Y2 (ja) 検出スイッチ
JPH0720811Y2 (ja) 自動点滅式照明灯
JPH0723686Y2 (ja) 自動鉛直器の自動補正範囲警告装置
JPS6361019B2 (fr)
JP2531688Y2 (ja) 減光式煙感知器
JPH0330188Y2 (fr)
JPH02297827A (ja) 光電スイッチ
KR930000978A (ko) 태양 추적 장치
JP2863231B2 (ja) 熱線感知式人体検知センサ
JPH056338U (ja) 赤外線送受光装置
JP2002158575A (ja) 光電スイッチの取付装置
JPH0732539Y2 (ja) エレベータ扉の安全装置
JP2549144Y2 (ja) 加速度検出器
JPH04194904A (ja) 光軸調整装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE DE ES FR IT

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20011001

AKX Designation fees paid

Free format text: AT BE DE ES FR IT

17Q First examination report despatched

Effective date: 20030611

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE DE ES FR IT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20040616

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20040616

REF Corresponds to:

Ref document number: 60011505

Country of ref document: DE

Date of ref document: 20040722

Kind code of ref document: P

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20040917

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20040927

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20050317

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20080915

Year of fee payment: 9

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20081231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080430

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20090423

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100404

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090430