EP0364921A1 - Guide tube for a mobile surveillance sensor - Google Patents

Guide tube for a mobile surveillance sensor Download PDF

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Publication number
EP0364921A1
EP0364921A1 EP89119165A EP89119165A EP0364921A1 EP 0364921 A1 EP0364921 A1 EP 0364921A1 EP 89119165 A EP89119165 A EP 89119165A EP 89119165 A EP89119165 A EP 89119165A EP 0364921 A1 EP0364921 A1 EP 0364921A1
Authority
EP
European Patent Office
Prior art keywords
guide tube
wings
rear face
front plate
tube according
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.)
Granted
Application number
EP89119165A
Other languages
German (de)
French (fr)
Other versions
EP0364921B1 (en
Inventor
Jean-Claude Moisand
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.)
Compagnie Generale dAutomatisme CGA HBS SA
Original Assignee
Compagnie Generale dAutomatisme CGA HBS SA
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 Compagnie Generale dAutomatisme CGA HBS SA filed Critical Compagnie Generale dAutomatisme CGA HBS SA
Publication of EP0364921A1 publication Critical patent/EP0364921A1/en
Application granted granted Critical
Publication of EP0364921B1 publication Critical patent/EP0364921B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—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 image scanning and comparing systems
    • G08B13/196—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 image scanning and comparing systems using television cameras
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/19623—Arrangements allowing camera linear motion, e.g. camera moving along a rail cable or track

Definitions

  • the present invention relates to a guide tube for a mobile monitoring sensor.
  • the invention applies, in particular, for surveillance, by means of a video camera pushed by compressed air into a tube, of any room or enclosure, for example for ensuring surveillance in the corridors of the metro.
  • the present invention therefore aims to provide a guide tube for a mobile monitoring sensor which allows proper operation in a very high temperature range: of the order of - 30 ° C up to + 50 ° C, and for indefinite distances.
  • the tube showing no deformation or expansion.
  • a subject of the invention is therefore a guide tube for a mobile surveillance sensor powered by compressed gas, characterized in that it consists of two parts, one of which comprises a rear face and two perpendicular wings forming a U-shaped section and of which a second which forms a front plate inserted between the free ends of the two said wings, said first part being made of high extruded organic polymer, the rear face and the two said wings being honeycombed.
  • said first part is made of polyvinyl chloride loaded with about 5% glass.
  • said front plate is made of a polymer having an optical transmission quality close to that of glass.
  • At least one of the two said wings is provided on its internal face, with a polyvinyl chloride plate fitted longitudinally on its internal face with at least one flat electrical conductor allowing routing, to a position of processing of an electrical signal supplied by said mobile sensor, provided with contact wipers.
  • a guide tube is used to guide a mobile surveillance sensor, for example a video camera which is propelled into the guide tube by a gas under pressure.
  • This tube is produced in two parts: a first part 1 made of a high extruded organic polymer, advantageously of polyvinyl chloride loaded with about 5% glass.
  • This first part comprises a rear face 2 and two perpendicular wings 3 and 4 forming a general U-shaped section.
  • This first part is dimpled, in its rear face 2 as well as in its two wings 3 and 4. The dimples are in the direction longitudinal of the extrusion, thus producing longitudinal channels 5 delimited by partition walls 6.
  • the second part consists of a front plate 7 which closes the tube.
  • This front plate is transparent, and is for example made of a polymer having an optical transmission quality close to that of glass.
  • the front plate 7 is slid, between the free ends of the two wings 3 and 4, in grooves 8 and 9 of these wings.
  • the wings 3 and 4 are each provided with a bus carrier plate 10 also slid in grooves 11 and 12 of the rear face 2 and of the front plate 7.
  • These bus carrier plates 10 are for example in polyvinyl chloride and they are each equipped with two flat electrical conductors 13 and 14 slid longitudinally in dovetail grooves made in the internal face of the bus carrier plates 10. These conductors allow the routing to a processing station for electrical signals supplied by the video camera which is fitted with electric contact shoes.
  • connection staple shown in FIG. 2.
  • This staple is placed "astride” the tubes at their jointing.
  • the upper side 15 of the staple as well as the rear side 16 have a recess 17 making it possible to suspend the guide tube, either on a ceiling, or on a vertical wall by, for example, placing a nut in the recess 19 which is screwed onto a threaded rod sealed in the ceiling or vertical wall.
  • the channels 5 of the honeycomb structure can be used for various purposes: passage of power cables or signals; air conditioning of the tube by sending hot or cold air; shielding of the tube in the event of interference on the video signal from the camera.
  • the guide tube of the invention can also be used with different sensors: - electromagnetic or inductive sensor for detecting metallic mass, - ⁇ , ⁇ and ⁇ ray sensor (detection of radioactivity), - CCDIR (Thermography - temperature measurement), etc ...
  • surveillance and identification in the metro, at the SNCF, on the road network, in tunnels, department stores, hospitals, prisons, etc.

Abstract

Guide tube for a mobile surveillance sensor propelled by compressed gas, characterised in that it consists of two parts, namely a first part (1) comprising a rear face (2) and two perpendicular wings (3, 4) forming a U-shaped cross-section and a second part forming a front plate (7) introduced between the free ends of the said two wings, the said first part (1) being produced from extruded organic high polymer, the rear face (2) and the said two wings (3, 4) being cellular. <IMAGE>

Description

La présente invention concerne un tube guide pour capteur mobile de surveillance.The present invention relates to a guide tube for a mobile monitoring sensor.

L'invention s'applique, en particulier, pour la surveillance, au moyen d'une caméra vidéo poussée par air comprimé dans un tube, d'un local ou enceinte quelconque, par exemple pour assurer une surveillance dans les couloirs du métro.The invention applies, in particular, for surveillance, by means of a video camera pushed by compressed air into a tube, of any room or enclosure, for example for ensuring surveillance in the corridors of the metro.

Si la réalisation d'un tel tube ne pose pas de problème particulier pour des distances faibles, il n'en est pas du tout de même lorsque les longueurs sont longues et mêmes très longues pouvant atteindre plusieurs kilomètres. En effet, on a alors à résoudre de très gros problèmes de dilatation, déformation, etc... qui rendent impossible la propulsion d'un capteur par air comprimé.If the production of such a tube does not pose any particular problem for short distances, it is not at all the same when the lengths are long and even very long up to several kilometers. Indeed, we then have to solve very large problems of expansion, deformation, etc. which make it impossible to propel a sensor by compressed air.

La présente invention a donc pour but de proposer un tube guide pour capteur mobile de surveillance qui permet un bon fonctionnement dans une gamme de température très élevée : de l'ordre de - 30°C jusqu 'à + 50°C, et pour des distances indéfinies. Le tube ne présentant ni déformation, ni dilatation.The present invention therefore aims to provide a guide tube for a mobile monitoring sensor which allows proper operation in a very high temperature range: of the order of - 30 ° C up to + 50 ° C, and for indefinite distances. The tube showing no deformation or expansion.

L'invention a ainsi pour objet un tube guide pour capteur mobile de surveillance propulsé par gaz comprimé, caractérisé en ce qu'il est constitué de deux parties dont une première qui comprend une face arrière et deux ailes perpendiculaires formant une section en U et dont une seconde qui forme une plaque avant introduite entre les extrémités libres des deux dites ailes, ladite première partie étant réalisée en haut polymère organique extrudé, la face arrière et les deux dites ailes étant alvéolées.A subject of the invention is therefore a guide tube for a mobile surveillance sensor powered by compressed gas, characterized in that it consists of two parts, one of which comprises a rear face and two perpendicular wings forming a U-shaped section and of which a second which forms a front plate inserted between the free ends of the two said wings, said first part being made of high extruded organic polymer, the rear face and the two said wings being honeycombed.

Avantageusement, ladite première partie est réalisée en polychlorure de vinyle chargé d'environ 5 % de verre.Advantageously, said first part is made of polyvinyl chloride loaded with about 5% glass.

Dans l'application particulière où le capteur mobile est une caméra vidéo, ladite plaque avant est en un polymère ayant une qualité de transmission optique proche de celle du verre.In the particular application where the mobile sensor is a video camera, said front plate is made of a polymer having an optical transmission quality close to that of glass.

Selon une autre caractéristique, au moins l'une des deux dites ailes est munie sur sa face interne, d'une plaque en polychlorure de vinyle équipée longitudinalement sur sa face interne d'au moins un conducteur électrique plat permettant l'acheminement, vers un poste de traitement, d'un signal électrique fourni par ledit capteur mobile, muni de frotteurs de contact.According to another characteristic, at least one of the two said wings is provided on its internal face, with a polyvinyl chloride plate fitted longitudinally on its internal face with at least one flat electrical conductor allowing routing, to a position of processing of an electrical signal supplied by said mobile sensor, provided with contact wipers.

On va maintenant donner la description d'un exemple particulier de mise en oeuvre de l'invention en se référant au dessin annexé dans lequel :

  • La figure 1 est une section du tube guide selon l'invention.
  • La figure 2 montre une agraffe de raccordement de deux tronçons de tube successifs.
We will now give the description of a particular example of implementation of the invention with reference to the appended drawing in which:
  • Figure 1 is a section of the guide tube according to the invention.
  • Figure 2 shows a staple for connecting two successive tube sections.

En se référant à la figure 1, on voit en section un tube guide selon l'invention. Un tel tube guide est utilisé pour guider un capteur mobile de surveillance, par exemple une caméra vidéo qui est propulsée dans le tube guide par un gaz sous pression.Referring to Figure 1, there is seen in section a guide tube according to the invention. Such a guide tube is used to guide a mobile surveillance sensor, for example a video camera which is propelled into the guide tube by a gas under pressure.

Ce tube est réalisé en deux parties : une première partie 1 réalisée en un haut polymère organique extrudé, avantageusement en polychlorure de vinyle chargé d'environ 5 % de verre. Cette première partie comprend une face arrière 2 et deux ailes perpendiculaires 3 et 4 formant une section générale en U. Cette première partie est alvéolée, dans sa face arrière 2 aussi bien que dans ses deux ailes 3 et 4. Les alvéoles sont dans le sens longitudinal de l'extrusion, réalisant ainsi des canaux longitudinaux 5 délimités par des parois de séparation 6. La deuxième partie est constituée par une plaque avant 7 qui ferme le tube. Cette plaque avant est transparente, et est par exemple réalisée en un polymère ayant une qualité de transmission optique proche de celle du verre. La plaque avant 7 est glissée, entre les extrémités libres des deux ailes 3 et 4, dans des rainures 8 et 9 de ces ailes. Sur leur face interne, les ailes 3 et 4 sont munies chacune d'une plaque porte bus 10 glissée également dans des rainures 11 et 12 de la face arrière 2 et de la plaque avant 7. Ces plaques porte-bus 10 sont par exemple en polychlorure de vinyle et elles sont équipées chacune de deux conducteurs électriques plats 13 et 14 glissés longitudinalement dans des rainures en queue d'aronde réalisées dans la face interne des plaques porte-bus 10. Ces conducteurs permettent l'acheminement vers un poste de traitement des signaux électriques fournis par la caméra vidéo qui est munie de frotteurs électriques.This tube is produced in two parts: a first part 1 made of a high extruded organic polymer, advantageously of polyvinyl chloride loaded with about 5% glass. This first part comprises a rear face 2 and two perpendicular wings 3 and 4 forming a general U-shaped section. This first part is dimpled, in its rear face 2 as well as in its two wings 3 and 4. The dimples are in the direction longitudinal of the extrusion, thus producing longitudinal channels 5 delimited by partition walls 6. The second part consists of a front plate 7 which closes the tube. This front plate is transparent, and is for example made of a polymer having an optical transmission quality close to that of glass. The front plate 7 is slid, between the free ends of the two wings 3 and 4, in grooves 8 and 9 of these wings. On their internal face, the wings 3 and 4 are each provided with a bus carrier plate 10 also slid in grooves 11 and 12 of the rear face 2 and of the front plate 7. These bus carrier plates 10 are for example in polyvinyl chloride and they are each equipped with two flat electrical conductors 13 and 14 slid longitudinally in dovetail grooves made in the internal face of the bus carrier plates 10. These conductors allow the routing to a processing station for electrical signals supplied by the video camera which is fitted with electric contact shoes.

Grâce à cette structure alvéolée, il n'y a pas de déformation du tube avec les variations de température.Thanks to this honeycomb structure, there is no deformation of the tube with temperature variations.

Les raccordements entre deux tronçons successifs de tube sont effectués par des pièces en matière plastique à crochets que l'on enfonce dans les alvéoles des extrémités des deux tubes à raccorder. Ces pièces, n'ayant rien de particulier, n'ont pas été représentées. En outre, à l'extérieur, au niveau des raccordements entre deux tronçons, on dispose une agraffe de raccordement représentée figure 2.The connections between two successive sections of tube are made by plastic parts with hooks which are pressed into the cells of the ends of the two tubes to be connected. These parts, not having anything particular, were not represented. In addition, outside, at the connections between two sections, there is a connection staple shown in FIG. 2.

Cette agraffe vient se placer "à cheval" sur les tubes au niveau de leur jointoiement.This staple is placed "astride" the tubes at their jointing.

Le côté supérieur 15 de l'agraffe ainsi que le côté arrière 16 comportent un décrochement 17 permettant de suspendre le tube guide, soit à un plafond, soit à une paroi verticale en disposant par exemple un écrou dans l'évidement 19 se vissant sur une tige filetée scellée dans le plafond ou la paroi verticale.The upper side 15 of the staple as well as the rear side 16 have a recess 17 making it possible to suspend the guide tube, either on a ceiling, or on a vertical wall by, for example, placing a nut in the recess 19 which is screwed onto a threaded rod sealed in the ceiling or vertical wall.

Les canaux 5 de la structure alvéolaire peuvent être utilisés à diverses fins : passage de câbles d'énergie ou signaux ; climatisation du tube par envoi d'air chaud ou froid ; blindage du tube en cas de parasites sur le signal vidéo de la caméra.The channels 5 of the honeycomb structure can be used for various purposes: passage of power cables or signals; air conditioning of the tube by sending hot or cold air; shielding of the tube in the event of interference on the video signal from the camera.

Le tube guide de l'invention peut également être utilisé avec différents capteurs :
- capteur électromagnétique ou inductif pour la détection de masse métallique,
- capteur de rayon γ , β et α (détection de radio-activité),
- C.C.D. I.R. (Thermographie - mesure de températures), etc....The guide tube of the invention can also be used with different sensors:
- electromagnetic or inductive sensor for detecting metallic mass,
- γ, β and α ray sensor (detection of radioactivity),
- CCDIR (Thermography - temperature measurement), etc ...

Les applications sont multiples : surveillance et identification : dans le métro, à la SNCF, sur le réseau routier, dans les tunnels, les grands magasins, les hôpitaux, les prisons, etc....There are many applications: surveillance and identification: in the metro, at the SNCF, on the road network, in tunnels, department stores, hospitals, prisons, etc.

Claims (4)

1/ Tube guide pour capteur mobile de surveillance propulsé par gaz comprimé, caractérisé en ce qu'il est constitué de deux parties dont une première (1) qui comprend une face arrière (2) et deux ailes perpendiculaires (3, 4) formant une section en U et dont une seconde qui forme une plaque avant (7) introduite entre les extrémités libres des deux dites ailes, ladite première partie (1) étant réalisée en haut polymère organique extrudé, la face arrière (2) et les deux dites ailes (3, 4) étant alvéolées.1 / Guide tube for mobile monitoring sensor powered by compressed gas, characterized in that it consists of two parts including a first (1) which comprises a rear face (2) and two perpendicular wings (3, 4) forming a U-shaped section and a second of which forms a front plate (7) inserted between the free ends of the two said wings, said first part (1) being made of high extruded organic polymer, the rear face (2) and the two said wings (3, 4) being dimpled. 2/ Tube guide selon la revendication 1, caractérisé en ce que ladite première partie (1) est réalisée en polychlorure de vinyle chargé d'environ 5 % de verre.2 / guide tube according to claim 1, characterized in that said first part (1) is made of polyvinyl chloride loaded with about 5% glass. 3/ Tube guide selon l'une des revendications 1 ou 2, caractérisé en ce que ladite plaque avant (7) est constituée en un polymère d'une qualité de transmission optique proche de celle du verre.3 / Guide tube according to one of claims 1 or 2, characterized in that said front plate (7) is made of a polymer with an optical transmission quality close to that of glass. 4/ Tube guide selon l'une des revendications 1 à 3, caractérisé en ce qu'au moins l'une des deux dites ailes (3, 4) est munie sur sa face interne, d'une plaque (10) en polychlorure de vinyle équipée longitudinalement sur sa face interne d'au moins un conducteur électrique plat (13, 14) permettant l'acheminement, vers un poste de traitement, d'un signal électrique fourni par ledit capteur mobile, muni de frotteurs de contact.4 / guide tube according to one of claims 1 to 3, characterized in that at least one of the two said wings (3, 4) is provided on its inner face, with a plate (10) of polychloride vinyl fitted longitudinally on its internal face with at least one flat electrical conductor (13, 14) allowing the routing, to a treatment station, of an electrical signal supplied by said mobile sensor, provided with contact wipers.
EP19890119165 1988-10-17 1989-10-16 Guide tube for a mobile surveillance sensor Expired - Lifetime EP0364921B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8813647 1988-10-17
FR8813647A FR2638013B1 (en) 1988-10-17 1988-10-17 GUIDE TUBE FOR MOBILE MONITORING SENSOR

Publications (2)

Publication Number Publication Date
EP0364921A1 true EP0364921A1 (en) 1990-04-25
EP0364921B1 EP0364921B1 (en) 1993-12-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890119165 Expired - Lifetime EP0364921B1 (en) 1988-10-17 1989-10-16 Guide tube for a mobile surveillance sensor

Country Status (3)

Country Link
EP (1) EP0364921B1 (en)
DE (1) DE68911467T2 (en)
FR (1) FR2638013B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991017532A1 (en) * 1990-05-09 1991-11-14 DIXEY, Terence, Gray Improvements relating to surveillance systems
EP1973084A1 (en) * 2007-03-19 2008-09-24 Michael Salewski Monitoring system
NL2003271C2 (en) * 2009-07-23 2011-01-25 Airocam B V RECORDING DEVICE AND THAT PROVIDED WITH RECORDING SYSTEM.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414576A (en) * 1981-09-25 1983-11-08 Vicon Industries, Inc. Housing assembly for electrical apparatus
EP0230671A1 (en) * 1985-12-30 1987-08-05 Compagnie Generale D'automatisme Cga-Hbs Video-mobile surveillance device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414576A (en) * 1981-09-25 1983-11-08 Vicon Industries, Inc. Housing assembly for electrical apparatus
EP0230671A1 (en) * 1985-12-30 1987-08-05 Compagnie Generale D'automatisme Cga-Hbs Video-mobile surveillance device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991017532A1 (en) * 1990-05-09 1991-11-14 DIXEY, Terence, Gray Improvements relating to surveillance systems
EP1973084A1 (en) * 2007-03-19 2008-09-24 Michael Salewski Monitoring system
NL2003271C2 (en) * 2009-07-23 2011-01-25 Airocam B V RECORDING DEVICE AND THAT PROVIDED WITH RECORDING SYSTEM.

Also Published As

Publication number Publication date
FR2638013B1 (en) 1990-11-23
DE68911467D1 (en) 1994-01-27
DE68911467T2 (en) 1994-04-14
FR2638013A1 (en) 1990-04-20
EP0364921B1 (en) 1993-12-15

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