Classifications

• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
  • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
  • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
  • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
  • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
  • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
  • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
  • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
  • E06B2009/6809—Control
  • E06B2009/6818—Control using sensors
  • E06B2009/6836—Control using sensors sensing obstacle
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
  • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
  • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
  • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
  • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
  • E06B2009/885—Braking mechanism activated by the bottom bar

Definitions

• the present invention relates to a fast door with a flexible screen to prohibit or allow a passage through a bay made in a partition.
• doors have been known which have a screen cut in a flexible material such as a PVC fabric. Due to the low inertia of their screen, these doors can come into action at high speed.
• sectional doors are known that are composed of rigid lamellae. These sectional doors have a low speed of movement given the slats inertia. It is known from documents DE 19 747 830, DE 36 18 766, DE 94 18 885 that it is possible to secure the operation of these doors by providing on the lower part of the door a flexible section that integrates various detection means such as than opto electronic means. Thus, when the sectional door encounters an obstacle on its path the flexible section is crushed between the obstacle and the door, which triggers the detection means. This principle of operation is well suited to a sectional door that moves at low speed.
• An object of the invention is to provide a flexible screen door which provides an active treatment of a contact with the screen.
• the present invention relates to a rapid door that can close a bay made in a partition; this door includes:
• a flexible screen connected to the structure at the level of the element forming the lintel by electromechanical means controlling the descent and raising of the screen, the screen integrating at least one flexible reinforcement bar into receiving means provided in the screen; the bar is engaged at both ends in each of the slides and can flex to disengage at least one slide without undergoing permanent deformation that can prevent the smooth operation of the door once put back in place in its slides.
• the door has, in addition, means for detecting a contact with the screen associated with at least one flexible reinforcement bar, the detection means being able to present a normal operating state when the bar is straight and an abnormal operating condition when the bar is bent under the effect of a contact.
• the basis of the invention is to take advantage of the flexibility of a reinforcing bar of a screen as an indicator of the operation of a door.
• the invention provides for associating with a flexible reinforcing bar detection means which are activated when the flexible reinforcement bar flexes under an external action applied to the screen.
• the perception of a contact is immediate because it is one of the very elements of the screen that is used as a witness of an anomaly in the operation of the door.
• the door according to the invention can detect collisions which occur not only in a vertical direction but also in a horizontal direction.
• An embodiment of the invention may provide that the detection means have at least one transmitter and at least one receiver rigidly connected to the same bar at a distance from each other coplanarly with the bar so that at least one beam propagates between the transmitter and the receiver, the beam being parallel to the flexible reinforcing bar during normal operation of the door, and at least one beam being broken, during a bending of the reinforcing bar flexible causing misalignment of the transmitter relative to the receiver.
• the detection means are constituted by a transmitter / receiver pair which are fixed on a flexible reinforcing bar and are arranged vis-à-vis.
• a beam that propagates between the transmitter and the receiver is parallel to the flexible reinforcing bar when the flexible reinforcing bar is straight.
• the straightness of the flexible reinforcement bar is a sign of a lack of stress and therefore of normal operation of the door.
• the transmitter and receiver are offset, resulting in a break in the propagation of the signal.
• the interruption of the beam is then the sign of an accidental or intentional contact with the screen.
• the breaking of the beam can then trigger one or more actions of the type of feedback of the screen and / or issue of visual alert and / or sound.
• the screen has horizontal guiding means comprising at least one flexible or non-flexible bar, each end of which is engaged in one of the slides and means detecting a contact associated with a flexible reinforcing bar disposed at the lower edge of the screen.
• the flexible reinforcing bar with which are associated the contact detection means which is at the lower edge of the screen is distant from the horizontal reinforcing bar which is immediately adjacent to it by about forty centimeters.
• This arrangement allows to provide an area on which the screen can escape amounts during a collision with an object or can absorb contact with a pedestrian.
• the screen has lateral guiding means that holds the side edges of the screen in the posts and has a flexible reinforcing bar disposed at the lower edge of the screen with associated contact detection means.
• These guide means may, for example, consist of bulges or rods arranged on the lateral edges of the screen which are engaged in amounts whose cross section is C-shaped.
• the screen whose side edges are engaged in the rails of the uprights has a flat surface devoid of guiding means and has a flexible reinforcing bar disposed at the lower edge of the door. screen with associated contact detection means.
• the transmitter and the receiver are respectively disposed at each end of a flexible reinforcing bar. It may be provided that the means for receiving a flexible reinforcement bar consist of two superimposed strips sandwiching two consecutive widths delimiting a sleeve in which can be engaged a transverse flexible reinforcing bar.
• the receiving means of a flexible reinforcement bar are constituted by a tarpaulin folded on itself and fixed to the lower transverse edge of the screen.
• At least one of the flexible reinforcement bars is provided with at least two brackets arranged in the same plane passing through the bar and respectively supporting a transmitter and a receiver.
• at least one of the brackets fixed on one of the bars has an envelope for keeping at a distance the walls of the sheath in which said flexible reinforcing bar is engaged.
• At least one of the flexible reinforcing bars may be made of a material such as a fibrous composite capable of allowing flexion crossbar of the bar allowing when an action is exerted transversely thereon to offset the transmitter and the receiver and / or to escape at least one of the slides.
• At least one of the bars is constituted by a spiral spring equipped at each of its ends with a rigid tube that can engage in a slide .
• the flexible bar then performs a dual function since it makes it possible to damp a collision, in particular with a pedestrian, and when it is flexed is used as a sign of an anomaly.
• each of the uprights has, at its upper end, means for reengaging a bar in the slide of which said upright is provided.
• the simple rise of the screen induces a reengagement of the bar in a slide.
• the reintroduction of the bar can be done by a ramp opening into the slide; during its ascent, the screen slides outside one or both amounts and arrived at the height of the ramp, the screen is reintroduced into the slide.
• FIG. 1 is a front view of a door according to the invention
• Figure 2 is a perspective view of a screen of the aforementioned door with partial cutaway at a reinforcing bar thereof.
• Figure 3 shows a front view with partial tear of the screen at a reinforcing bar
• Figures 4 and 5 show, respectively in front view and in side view, a support bracket for detection means
• FIG 6 is a perspective view of an alternative embodiment of a detection means support bracket
• Figure 7 shows, in side view, this console inserted into a flexible screen.
• Figure 8 shows, in perspective, a bar equipped with an optional sleeve
• FIG. 9 shows, in perspective, an embodiment of a flexible bar receiving detection means
• Figure 10 is a side view of the bar of Figure 9,
• FIG. 1 shows a side view, a flexible screen incorporating the bar shown in Figures 9 and 10,
• Figure 12 shows in section an amount of another embodiment of a door.
• Figure 1 shows, from the front, a door 1 leaning against a partition 2 in which is practiced a bay.
• This door comprises a structure consisting of mechanically welded and / or composite elements.
• the structure of the door consists, in the example shown, of two lateral uprights 3 which frame the opening made in the partition 2 and an upper transverse casing 4 which constitutes the lintel of the door.
• an electromechanical assembly comprising in particular a motor 6 and a reduction gear 7; this electromechanical assembly drives a transverse shaft 8 which rests on bearings arranged at the upper end of each of the uprights 3.
• the transverse shaft 8 is protected by a transverse cover 4.
• a panel 9 is connected to a control electronics 10 which transmits the control instructions to the electromechanical assembly.
• the closing of the bay delimited by the uprights 3 and the cover 4 is made by a screen 1 2 made of soft PVC-like material.
• the screen 1 2 is provided with several bars 1 3 transverse flexible reinforcement.
• the bars 1 3 are four in number, but this is of course purely indicative and depends essentially on the size of the door and the stresses to which it can be subjected.
• the screen 1 2 consists of transverse widths of flexible PVC type material which, in the example shown, are four in number which are welded along their length to each other. At the junction of the two widths, there is provided a sleeve 14. Each sleeve 14 consists of two strips of flexible material which are superimposed and come sandwich the long lengths of the two widths that are adjacent to them.
• the strips forming the sleeves 14 can be welded in a conventional manner by ultrasound and thus provide a space in which is inserted a bar 1 3 transverse flexible reinforcement.
• the upper width of the screen 1 2 is connected to the shaft 8 placed at the lintel of the door, so that when the shaft is rotated, the screen 1 2 is wrapped around it ci and allows the passage through the door.
• the reverse maneuver of the shaft makes it possible to lower the screen 1 2 and to close the passage through the door.
• the screen 1 2 is engaged laterally in slides 1 6 provided for this purpose in each of the uprights 3.
• the transverse flexible reinforcing bars 1 3 are also engaged in the slides 1 6 so as to transmit to the structure of the door the efforts in particular caused by the wind applied to the screen 1 2.
• the transverse flexible reinforcing bars 1 3 can be made of composite material, fiberglass type pultruded so as to have an overall flexibility that they allows to escape the slides 1 6 when the screen is overloaded.
• a typical example of solicitation of the screen is, for example, a collision with a handling machine.
• FIG. 2 illustrates one of the embodiments of these contact detection means.
• one of the reinforcement flexible reinforcement transverse reinforcement bars 1 3 is equipped with two brackets 1 7 at each of its ends; these two consoles 17 respectively embody a transmitter 18 and a receiver 1 9.
• a beam 20 which may be an optical beam, radio, radio, infrared.
• the signal emitted by the transmitter 18 has a small opening angle.
• the beam 20 is propagated along an axis parallel to the bar 13 of flexible reinforcement.
• Figures 4 and 5 which show in side view and in front view the console 1 7 supporting the transmitter 1 8 and the receiver 1 9, show that the transmitter 18 as the receiver 19 are contained in the same plane as the bar 1 3 flexible reinforcement itself. In the example shown, it is also the plane formed by the screen 1 2; the transmitter 18 and the receiver 19 are positioned below the bar 13 of flexible reinforcement.
• the transmitter 1 8 and the receiver 1 9 are included in a plane passing through the bar 13 flexible reinforcement. It is also noted that the consoles 1 7, arranged at each end of the bar 1 3 flexible reinforcement, provide a rigid stowage of the transmitter 18 and the receiver 19 on the bar 13 flexible reinforcement.
• a rivet 22 is seen which secures the consoles 1 7 on the bar 1 3. It is provided, as can be seen in the figures, a wire connection 25 which provides the connection of the transmitter and of the receiver with the control electronics 10 of the door.
• FIGS. 6 and 7 show an alternative embodiment of the brackets 1 7 for fixing the transmitting torque 1 8 receiver 1 9 in which the brackets have a cowling 27 which, in the example shown, has the shape of a cam and has the function of bridging the walls forming the sleeve 14 in which the bar 13 of flexible reinforcement is engaged.
• This arrangement makes it possible to maintain good propagation of the beam 20 between the transmitter 18 and the receiver 19, without the propagation of the latter being disturbed by the walls of the sleeve 14 itself.
• flexible reinforcement bars 13 of long length for example greater than two meters fifty, to place on the latter one or more sleeves 28 which punctually come to perform the spacer function and keeping the walls forming the sheath 14 at a distance.
• the beam 20 remains parallel to the bar 13 flexible reinforcement, the transmitter 18 and the receiver 19 facing each other.
• this bar because of its nature, forms an arrow at the right of the action.
• the transmitter 18, just like the receiver 19 are fixed rigidly to the bar 13, these are oriented in divergent directions.
• the transmitter 18 and the receiver 19 are no longer in the same plane as the flexible reinforcement bar 13 which, itself because of the bending it undergoes, has a left profile and no longer straight.
• the receiver 18 no longer receives the beam 20.
• This break in the propagation of the beam between the transmitter 18 and the receiver 19 is then transmitted to the control electronics, which can then place the door on an abnormal mode of operation.
• the beam 20 has a small opening angle, which makes it very sensitive to a deflection.
• This abnormal mode of operation can take different forms. It may be to provide a rise of the screen 12 and / or triggering a visual and / or audible alarm and / or a telephone signal, radio, TCP / IP to a maintenance team.
• Figures 9 to 1 1 illustrate another embodiment of a door in which a bar 29 is disposed at the lower end of the curtain 12.
• the bar 29 may comprise a central portion consisting of a metal coil spring inserted into a tubular foam sheath 31 and two side portions 32 which may be formed of tubes; these tubes are, for example, steel tubes on which the spring 30 can be welded. However, it may be envisaged to produce the tubes in a composite material.
• the flexibility thereof is of course imparted by the spring 30 which constitutes the central part.
• the fact that the bar 29 which thus constitutes the lower part of the screen 12 has a high flexibility is a very favorable point in the management of a collision between the screen 12 and, for example, a person.
• the central part constitutes the major part of the length of the bar 29. It can be envisaged to provide a flexible zone on a section or on several localized sections of the bar 29. On the bar 29 there are similar arrangements to those provided for a bar 13 transverse flexible reinforcement. To receive a transmitter 18 and a receiver 19, two consoles 17 may be provided at each of the two ends of the bar 29.
• the operation of the bar 29 is thus equivalent to that of the bar of FIGS. 2 to 8 since, in the case of action performed on the bar 29, the latter bends.
• the bending of the bar 29 induces a rupture of the alignment of the transmitting torque 18 receiver19.
• FIG. 11 shows, more particularly, the bar 29 disposed on the lower edge of the screen 12. It is then expected that the screen 12, on its lower part, has a cover 34 which forms a pocket and, in this pocket, is inserted a bar 29 such as that shown in Figures 9 and 10.
• the fixing of the bar 29 can then be done by a system of rivets 35 which passes through the sheet 34 forming the threshold of the screen 12. This arrangement avoids a possible rotation of the bar 29 which would have the effect of scrambling the detection means contact.
• the bar 29 which constitutes the lower end of the screen may be provided to place the bar 29 which constitutes the lower end of the screen at a substantial distance from a transverse reinforcing bar (flexible or not) of the screen. In practice, this distance can to be of the order of 40 cm. This provision has a remarkable effect in the management of a very common type of collision involving a handling vehicle and the bottom of the screen 12 when the latter is in the descent phase. In this case, given the great flexibility of the lower bar 29 of the screen 12, the screen 12 disappears in front of the handling vehicle; the detection means associated with the bar 29 are activated and a rise of the screen 12 is ordered by the control electronics.
• the screen 12 is therefore solicited only (i) in its part that causes the least damage to the handling machine and the load that the latter carries and (ii) in its most flexible part, which preserves the integrity of the screen 12.
• this lower part which integrates the bar 29 is not guided laterally with respect to the uprights.
• the bar 29 deforms and triggers the detection means.
• the fact that the screen 12 is not guided on its extreme lower part is not detrimental to the triggering of the detection means since, in the case of the bar 29, in the event of a collision, the bar 29 deforms by to its flexibility alone.
• the arrangement according to the invention providing for associating detection means with a flexible bar can be deployed on any type of flexible screen whatever the guide means used to guide the screen.
• the guiding means of the screen are of transverse type thanks to transverse flexible reinforcement bars.
• the guiding of the screen is done laterally in each of the amounts.
• the lateral edges of the screen 12 are each equipped with a linear bulge; these bulges may be, for example, consist of plastic pins juxtaposed to each other so as to form a continuous bulge.
• Each of these bulges is engaged in an amount whose cross section is substantially C-shaped (see Figure 12) and thus delimits a space closed by two wings facing each other.
• each side edge of the screen rings can also be expected to add to each side edge of the screen rings; each amount has a vertical cable over its entire height on which the rings are engaged thus ensuring the lateral guidance of the screen.
• the cables present in the two uprights can incorporate a spring-type elastic device that allows in case of collision to allow clearance of the screen on a limited stroke.
• the screen 12 is further equipped at its lower edge with a flexible bar 29 associated with detection means.
• the bar 29 may comprise a spring inserted into a foam sheath 30.
• the vertical bulges present on each lateral edge of the screen 12 or, as the case may be, the guide rings stop at a distance of about 40 cm from the bar 29.
• the bar 29 in the first place ensures the detection of an impact with the screen, which usually causes a rise of the screen.
• the bar 29 may in a second time out of one or both slides without the lateral guide members are affected.
• the invention may relate to small doors which are devoid of any guide means.
• the lateral edges of the screen 12 are simply engaged in slides provided in the uprights while a bar 29 to which are associated contact detection means.
• This relatively simple execution of the door behaves the following way in case of collision with a person or with a machine. The collision is detected by the bending of the bar 29 which activates the detection means.
• the invention makes it possible to detect any contact that occurs with the screen of a fast door. This arrangement is quite advantageous for the detection of a collision.
• the invention takes advantage of the flexibility of at least one of the flexible reinforcing bars present in the screen to detect a contact on the screen.
• the door thus defined is quite advantageous for accidental collision management, it may be envisaged to use its provisions for an intentional opening of the door. defining, for example on the screen, a visual area on which a user can intentionally exert an action on the bar to allow the opening of the door itself.
• the door could be a side-opening door and not a vertical-opening door, as shown in the figures. It may also be envisaged to provide a bar with several transmitters and receivers, each transmitter / receiver pair being arranged in 180 °, 120 ° or 90 ° planes according to the desired sensitivity.
• the invention is equally applicable to roll-up doors and to folding doors where the raising of the screen is by one or more straps fixed at the lower transverse edge of the screen.

Landscapes

• Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=37806903

Family Applications (1)

Country Status (5)

Families Citing this family (6)

Family Cites Families (14)

• 2006
  • 2006-05-12 FR FR0604242A patent/FR2900958B1/fr active Active
• 2007
  • 2007-04-25 EP EP07731359.1A patent/EP2021573B1/de active Active
  • 2007-04-25 JP JP2009510487A patent/JP5322923B2/ja active Active
  • 2007-04-25 US US12/300,613 patent/US8069897B2/en active Active
  • 2007-04-25 WO PCT/FR2007/000700 patent/WO2007135254A1/fr active Application Filing

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events