EP2179121A2 - Dispositif de detection d'obstacle, notamment chassis pour element d'ouvrant motorise pour vehicule automobile, et element d'ouvrant obtenu - Google Patents
Dispositif de detection d'obstacle, notamment chassis pour element d'ouvrant motorise pour vehicule automobile, et element d'ouvrant obtenuInfo
- Publication number
- EP2179121A2 EP2179121A2 EP08826624A EP08826624A EP2179121A2 EP 2179121 A2 EP2179121 A2 EP 2179121A2 EP 08826624 A EP08826624 A EP 08826624A EP 08826624 A EP08826624 A EP 08826624A EP 2179121 A2 EP2179121 A2 EP 2179121A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- obstacle
- flexible tube
- dynamic pressure
- signal
- chassis
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
- E05F15/431—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound specially adapted for vehicle windows or roofs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
- E05F2015/432—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with acoustical sensors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/10—Additional functions
- E05Y2800/12—Sealing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/55—Windows
Definitions
- Obstacle detection device in particular chassis for a motorized opening element for a motor vehicle, and obtained sash element
- the invention relates to a device for detecting an obstacle relative to a controlled element in motion and / or for controlling the movement of the element relative to the obstacle, and in particular a chassis for a motorized opening element, in particular for a vehicle. automobile, provided with an obstacle safety device on closing, and the opening element obtained.
- the invention is aimed in particular at an anti-pinch device for window or motor vehicle chassis with electric drive, but it also relates to an anti-pinch device for an opening element in various fields such as housing with gates or motorized shutters for example but also the general area of transport with motorized opening elements of public transport vehicles for example.
- Knock-pinching devices are known, in particular for electrically-driven motor vehicle windows, which comprise a means for detecting an excess of torque or of the intensity of the drive current of the electric motor when the window is closed, or a means of detection (by Hall effect) of a variation of speed of the electric motor in front of an obstacle to the closing, and which control the reopening of the window, thus avoiding to trap the window on the obstacle, for example a finger with one hand and hurt her.
- An object of the invention is to provide a motorized opening element safety system that can be preferably associated with a seal of this opening element, which is simple, reliable and economical and not limited to length relative to known devices.
- the capacitive type safety devices for motorized opening elements are expensive and sensitive to the electromagnetic field of the environment.
- No. 5,629,681 discloses a sonic tubular displacement sensor, which essentially involves a flexible tube for propagating an ultrasonic signal (from 20 to 500
- Such a sensor detects the deformation of the tube on the obstacle, even small, but does not detect the contact shock of the tube on the obstacle before the deformation of the flexible tube.
- CrB 2 288 014 discloses a deformable sensor for motorized vehicle glass, comprising an elongated element in the form, for example, of a flexible tube and able to propagate a radiation of light waves, and to signal the presence of an obstacle to the deformation of the tube modifying the propagation of the radiation.
- a deformable sensor for motorized vehicle glass comprising an elongated element in the form, for example, of a flexible tube and able to propagate a radiation of light waves, and to signal the presence of an obstacle to the deformation of the tube modifying the propagation of the radiation.
- only the deformation of the tube on the obstacle is detected and not the prior contact of the obstacle on the tube.
- the invention aims to remedy these drawbacks and proposes a device for detecting an obstacle relative to a controlled element in motion and / or for controlling the movement of the element relative to the obstacle, characterized in that it comprises : - deformable tubular means or flexible tube for propagation of dynamic pressure waves of low frequency, less than 500 Hz, these tubular means deformable or flexible tube being able to further create and propagate a pulse wave of dynamic pressure of very low frequency, less than 100 Hz, emitted to the impact shock of the moving element on the obstacle, - means transmitter and receiver of said low-frequency dynamic pressure waves, and receiver of said very low-frequency dynamic pressure pulse wave, said transmitter and receiver means being adapted in particular by dynamic pressure impedance to said deformable tubular means or flexible tube, means for processing said dynamic pressure waves and dynamic pressure pulse waves, adapted for:
- the docking shock is created by the contact of the obstacle against the deformable tubular means or flexible tube according to a differential speed of movement of these elements.
- the obstacle detection device allows doubly secure obstacle detection, contact shock and deformation of the deformable tubular means, the detection of the shock prior to the deformation allowing the device to react faster than the only deformation of the sensor and to avoid the deformation thereof, which involves more risk of crushing the obstacle.
- a third level of securing can be achieved by deformable tubular means having a reserve of compressibility, for example a deformable thickness of the tubular sensor, capable of easily crushing, so that in case of non-detection of shock ( slow approach speed) and the detection of complete crushing deformation of the tubular means deformable by the obstacle, which corresponds to a lack of dynamic transmitted pressure wave signal, the device is able to allow a control with a reserve of safety compression guaranteeing the response time until the movement of the element stops and possibly the reversal of the movement for the removal of the obstacle. An additional safety time is thus attributed to the response time of the control chain of the kinematics by said reserve of compressibility of the deformable tubular means.
- the dynamic pressure wave signal may be in the sound or infrasonic spectrum, but it is advantageously less than 250Hz.
- the impulse wave may be in the sound or infrasonic spectrum and it is advantageously of frequency between 10 and 100 Hz.
- Such signals run well, indeed, within the deformable tubular means or flexible tube and up to significant lengths thereof (several tens of meters).
- Said emitter and receiver elements each advantageously comprise a transducer of small dimensions, piezoelectric transducer for example, vented by at least one hole through their chamber (front part) and / or rear part opposite to their connection with the end of the flexible tube.
- transmitter and receiver elements are advantageously mounted in a flexible and sealed connection, each in a closed housing or together in the same closed housing so as to be isolated from noise and parasitic vibrations, moisture and dust from the environment.
- the transducers are advantageously each integrated in a chamber adapted to dynamic pressure impedance (ratio of the pressure of the medium of the signal to the volumetric flow rate of the medium of the flexible tube) to the signal to be transmitted or received and to the flexible tube, and connected to the end of the latter, which chamber amplifies the transmission and transmission of the transmitted or received signal respectively, and decreases the influence of external noise.
- the flexible tube may be of variable geometric section. It is advantageously of cylindrical or near section, of small outside diameter, of 4-6 mm for an inner section diameter of 2-3 mm and is of great length, several meters.
- the small section and the long length of the flexible tube require a high dynamic pressure of the signal at low volume flow rate and therefore large diameter transducer chambers with respect to the diameter of the duct of the flexible tube with a shallow depth of the front chamber (towards the tube ) thus creating the conditions for a pressure amplification adapted to the tube, the chamber preferably being substantially flat.
- Said at least one venting hole is also of small diameter (relative to the duct of the flexible tube) and long to allow reception at minimal loss of the impulse wave generated by the collision of approaching the obstacle, while forming low-pass filter parasitic components and equalization of atmospheric static pressure.
- the emitter element may be connected to a plurality of flexible tubes connected in series or in parallel with one or more receiving elements forming an anti-pinch probe of moving parts to be secured of the same vehicle.
- said transmitter and receiver elements can be grouped together in a single assembly or package to which said ends of the flexible tube are connected.
- Said dynamic pressure wave signal emitted by the emitter element may comprise at least one regular alternating component of a single frequency, but preferably it comprises at least two near frequency components (frequency modulated signal) thus specifying the signal and its recognition by the receiving element.
- Said flexible tube may be derived from extrusion or possibly molding in synthetic material, elastomer (rubber-based) for example, with the chassis frame seal. This synthetic material, elastomer for example, allows the creation of a pulse wave of very low frequency essentially in the sound spectrum of about 10 to 100 Hz and short duration (Pulse of 10 to 100 ms) in the tube, shock berthing of the latter with the obstacle.
- the elastomeric material furthermore makes it possible to isolate the interior of the flexible tube from the outside environment and the degree of sound insulation of the inside of the flexible tube can be adjusted with the thickness of the wall of the tube and the nature of the tube material.
- the flexible tube may further comprise a more rigid internal wall surface, capable of better conducting the dynamic pressure wave signal and the dynamic pressure pulse wave and of amplifying the deformation of the tube (in length), and an insulating flexible outer wall of the external noise.
- the frame according to the invention may be a chassis for a motorized opening element, in particular a motor vehicle, comprising a chassis frame and a movable element driven relative to said chassis frame by a motor means, for example when closing or opening of the chassis frame, and comprising a closure safety device capable of stopping, retracting or opening the movable element as soon as an obstacle is detected between the chassis frame and the movable element at the driving maneuver of the the movable element, wherein the closure safety device comprises: - flexible tube-shaped deformable means disposed at least along an area to be secured relative to a possible obstacle between the frame and the element; movable, for example along at least a portion of the periphery edge of the movable member or the periphery edge of the frame of said frame, and projecting towards said area to be secured, a dynamic pressure wave emitter means disposed at one end of said flexible tube and capable of emitting a dynamic
- a dynamic pressure wave receiving means and said dynamic pressure pulse wave connected to said flexible tube at another end thereof and able to detect at least one pressure variation of said wave signal and the wave pulse, dynamic pressure transmitted from the transmitter means and generated by an obstacle accosting or deforming said flexible tube respectively, and,
- a device for regulating and controlling the motor means connected to said transmitter and receiver means and to the motor means, capable of controlling the stopping, retracting or opening maneuver of the movable element relative to the chassis frame as soon as it is detected successively said impulse impulse wave and / or a said dynamic pressure wave pressure variation by the receiving element and corresponding to an obstacle in contact and / or deforming said flexible tube respectively.
- Said flexible tube may be disposed at right angles to the frame or along the periphery edge, on the inside and / or outside of the vehicle, of the movable element or of the frame. It is made in particular of elastomer synthetic material (rubber), which in contact with or external docking shock with the tube creates within it a pulse wave sound spectrum or infrasound, very low frequency (less than 100 Hz).
- rubber elastomer synthetic material
- Said movable element may be a motor vehicle door sliding window or a vehicle sunroof or a movable curtain, operated by a motor drive device
- Said movable element may be a sliding door of a motor vehicle or public transport, maneuvered by an electric motor drive device or the like, or a vehicle trunk lid operated by an electric or hydraulic or pneumatic drive device. It can also be a motorized gate, a shutter etc.
- the flexible tube may be resiliently or resiliently connected to the chassis frame or movable member, thereby reducing the transmission of vehicle vibrations that may disturb the dynamic pressure wave signal. It can be mounted clipped on the rabbet of the frame or embedded in a flexible lip of the seal.
- Said flexible tube may also be glued for example by an insulating flexible adhesive strip on the movable element or the frame frame.
- Said flexible tube can be further coextruded with the profile or seal between the movable member and the frame.
- the security device of the closure can be provided, as means for verifying the proper operation of the detection and the movement control of the means for processing the device (mentioned above), with a self-monitoring device for the non-presence an obstacle on the flexible tube, put into operation from the control of the movable element or from the start of operation of the vehicle and verifying that the transmission of the dynamic pressure wave signal from the transmitter element to the the receiving element is normally carried out without any obstacle before activating the device for regulating and controlling the motor means.
- the contact or the collision shock of the obstacle on the flexible tube is able to create therein a dynamic low frequency pulse pressure wave signal of large amplitude according to a two pulsations sound or infrasound, which signal is detected by the receiving element and is immediately transmitted to the control device and control of the motor means to control the removal or reopening of the movable member.
- the flexible tube is advantageously sealed and at least one of the transmitter or receiver elements or their assembly further comprises at least a small hole opening to the atmosphere, which allows to put the flexible tube in atmospheric balance whatever the variations in atmospheric pressure and not to influence the transmission of the dynamic pressure signal along the flexible tube.
- Said device detection device advantageously comprises means for analyzing the pressure variation of the dynamic pressure wave signal and the dynamic pressure pulse wave transmitted from the transmitter element to the receiver element, capable of to process this information and to determine the presence first of a shock on the flexible tube or secondly of a partial or total pinch thereof and to adapt a stop command or withdrawal of the mobile element as soon as it is detected.
- these analysis means include in their treatment component and sensor wear compensations by an automatic gain control loop and / or shock and pinch thresholds, making the system little or not sensitive to variations. climatic conditions (temperature, humidity, pressure) and possible attenuation changes of the channel of the flexible tube.
- FIG. 1 is a partial schematic view of a sliding window frame of a motor vehicle according to the invention
- FIG. 2 is a schematic view of the dynamic pressure wave emitter and receiver elements
- FIG. 3 shows in a partial cross-sectional view and along the line III-III of FIG. 1, the chassis engaged with an obstacle interposed between the frame of the frame and the door pane at a position close to the closure
- Figure 4 shows an alternative embodiment of the invention relating to an electrically driven motor vehicle sliding door
- Figure 5 is a view in partial cross-section of the frame of FIG.
- FIGS. 6a and 6b show alternative embodiments of the flexible tube, coextruded in an opening element seal and inserted in a lip of the seal, respectively, and Figure 7 shows the various applications of opening elements according to the invention for a motor vehicle.
- the door frame 1 with sliding window 3 of a motor vehicle represented essentially comprises an upper window 5, a lower solid part 6 corresponding to the bottom of the door and arranged under the window. 5, a glazing element or pane 3 slidably mounted in the window 5 of the door and able to open or close said window 5, a device 7 for sliding the glazing element 3, a control and control device 9 of the driving of the glazing element 3, and a safety device 1 1 of the closing of the glazing element 3.
- the window 5 is delimited by an upper peripheral frame part 13 of the door provided with an internal rebate 15, which receives in its inner U-shaped part 17 (FIG. 3) a profiled flexible joint 19 with external cross-lips 21 receiving the glazing element 3 at closing.
- This seal 19 is arranged all around the inner edge of the frame 13 of the opening of the window, in said rebate 15. It has a substantially U-shaped section corresponding to that U of the rabbet 15 with two outer side wings 23 folded, in the fold of which it can receive in pinch each of the branches of
- This seal 19 is derived from extrusion made of elastomeric synthetic material and comprises a flexible tube 31, preferably of cellular rubber, projecting on the lateral flange 23, on the inside of the vehicle, this tube being oriented toward the opening of the window 5 Door.
- the flexible tube 31 is part of the safety device 1 1 of the closure of the aforementioned glazing element 3 and is adjacent to the lip 21 adjoining the corresponding support wing 23.
- the glazing element 3 is a conventional glass plate geometrically shaped to the opening of the frame 13 of the window. This glass plate 3 slides vertically downwards or upwards, by the action of its driving device 7 to open or close the window 5 of the door.
- the driving device 7 in sliding of the glazing element 3 is of the vertical rail type 33 and cable (not shown) connected to the glazing element 3 and the support of the glazing element.
- This cable is towed in a loop on a pulley driven by an integrated electric motor 35. It is mounted in the lower part of the door.
- the device for regulating and controlling the drive 9 comprises an electronic box 37 housed in the lower part 6 Door. It is connected to the motor 35 of the driving device and to said safety device 11 of the closure of the glazing element 3.
- This housing is conventional and makes it possible to control the opening or closing of the door window by the glazing element in connection with an authorization of said safety device 11 of the closure described hereinafter. If this authorization is deactivated during closing, it commands the instantaneous reopening of the glazing element 3.
- the safety device 1 1 of the closure of the glazing element comprises the aforementioned flexible tube 31 and a housing 39 housing the transmitter elements 40a and dynamic pressure wave receivers 40b (sound or infrasound for example) each connected to a end of the flexible tube 31.
- These transmitter and receiver elements each comprise ( Figure 2) an acoustic transducer (piezoelectric for example), transmitter 41a of a dynamic pressure wave signal (reference signal) and signal receiver 41b dynamic pressure wave transmission transmitted by the flexible tube, respectively, integrated in a suitable chamber, 42a transmitter and receiver 42b, open to the atmosphere through a small hole on its chamber, 44'a, 44'b and its lower part 44a, 44b respectively and connected at its upper end to one end of the flexible tube 31.
- the transducers may for example be each connected in a closed or common housing to the flexible tube by a flexible sleeve, sealed, and the integrated circuit board signal processing close the housing at its rear part, this plate can also be mounted in a flexible manner on the housing and non-rigid electrical connection so as to be isolated from external vibrations .
- the 42a emission chambers or reception 42b (sound or infrasonic) are phonically isolated from each other and external environment, within the housing. In the example, they are identical to each other, relatively flat configuration and low volume. They are mounted in a flexible connection on the housing to the flexible tube by a seal 45 at the end of the flexible tube.
- the transmitter element 40a may emit a frequency modulated signal at two frequencies close to each other (for example at about 200 Hz and included in the sound spectrum).
- the receiving element 40b receives the signal transmitted to the other end of the flexible tube 31 whose amplitude is slightly attenuated when the flexible tube is not clogged (pinched).
- the received signal is transmitted to the control and control device of the drive 9, which processes it and analyzes it to determine whether the variation of the acoustic pressure of the sound signal transmitted from the emitter element corresponds to an obstacle in contact with the flexible tube (with collision shock and / or crushing) in order to deactivate the authorization to close the window 5 and to initiate reopening of the glazing element 3.
- the signal processing for the detection of shocks within the analysis and processing means of the regulation and control device 9 may consist, for example, of filtering the output of the transmitted sound signal by analog low-pass filtering, to amplify it, to digitize it, to average it over a rolling period of time that is a multiple of the transmission frequency (in order to cancel the average value of the reference signal), and to compare the results of this calculation with maximum threshold values authorized on the derivative and the absolute value of this shock average, set proportionally to the average amplitude of the received reference signal.
- the signal processing for pinch detection consists of performing a Fourrier transform digital processing of the values of this signal.
- the reference frequency (of the reference signal) is frequency-modulated so that the results of the average convolution are stable even if the external disturbances are strong.
- This requires an integration of the calculations relative to the frequency modulation which can be for example linear, triangular, sinusoidal or other. Because of said integration, the pinch detection becomes less responsive with respect to pinching but robust with respect to the dreaded events that are, non-triggering in case of pinching in a disturbed medium and nuisance tripping in case of disturbances.
- the result of these convolution calculations of the signal received with the frequency-modulated reference signal and the short and medium-term averages of the result are compared with thresholds established proportionally to the average amplitude of the signal.
- Long-term filtered receipts are: a maximum allowed threshold on the short-term derivative, - a relative minimum value of the short-term pinch average in relation to the long-term average.
- the said long-term filtered reception signal must itself be greater than a minimum threshold set according to the construction of the detection device in order to ensure a minimum dynamic and precision to the detection device.
- Said modulation is essential for the robustness of the device. It justifies the need for shock detection to maintain excellent responsiveness, supported by pinch detection for flawless security.
- the contact of an obstacle with the flexible tube generates a shock which is translated inside it by a low frequency sound pulse wave of about 10 to 100Hz (with one or two pulsations rapidly damped) for this type of flexible elastomeric rubber tube and this wave can be detected by the acoustic receiving element 40b upon detection of the contact shock to enable the closure to be deactivated very shortly after contact with the obstacle (a few ms corresponding to the time propagation and processing of the signal).
- the deactivation of the closure is activated either when approaching the obstacle with the flexible tube (at the impact of contact with the obstacle without crushing the flexible tube) or at a partial crushing of the flexible tube if there has no shock such as if the pinch was performed before the system was put into operation
- the attenuation of the dynamic pressure of the transmitted signal varies directly with the collapse of the flexible tube by the obstacle and it is possible to deactivate the closing of the movable element at a determined crushing level of the flexible tube, by example at 20-40% crushing it avoiding the crash of a finger of a person.
- the glazing element 3 is controlled in closing and that a finger 43 of a person (FIG 3) is accidentally applied to the window edge 5 of the door frame 1, for example to the upper level of this one.
- the glazing element 3 under the control of the device for regulating and controlling the drive 9 and under the action of its drive device 7 will rise until it comes into contact with the finger 43, which will touch the tube 31.
- the docking contact of the finger with the tube generates a shock wave that is detected by the acoustic receiver element 40b.
- the signal is processed and is recognized after analysis as corresponding to a shock.
- the control and control device 9 then deactivates the closure instantaneously and produces an immediate reopening control of the glazing element 3.
- the finger will then flatten the flexible tube to its contact (broken line in Fig. 3).
- the deformation of the flexible tube 31 will generate a restriction inside thereof, which will reduce the transmission of the sound signal at its level and this variation of the dynamic pressure will be detected by the receiving element 40b and the latter will generate as aforesaid a dynamic pressure variation signal to the control device and control of the drive 9.
- This will then produce an immediate reopening control of the glazing element 3, thus without hurting the touched finger 43.
- the invention can also be applied as an alternative embodiment (FIGS. 4 and 5) to an electrically driven vehicle sliding door.
- the flexible tube 31 ' is fixed either on the edge of the frame 1' receiving the movable member 3 ', but on the edge of the movable member 3', being turned towards the opposite edge of the frame frame facing (middle foot of the body).
- the flexible tube 31 ' is thus bonded (by a double-sided adhesive for example) to the edge of the sliding door 3' facing the center pillar 1 'of the bodywork of the motor vehicle.
- This flexible tube 31 ' is configured along a substantially rectilinear line (thick line in FIG. 4) over the entire height of the external vertical edge of the door 3', where an obstacle can be applied (for example a hand or fingers 43 ' of somebody).
- the dynamic pressure wave emitting element of the flexible tube may be disposed at one end of the flexible tube 31 ', for example at the lower end, while its upper end is connected to the acoustic receiving element. corresponding (not shown), thus covering a safety zone substantially corresponding to the length of the flexible tube.
- the flexible tube 31 ' can also be looped (in phantom) returning to the inner side of the door to protect it also. It should be noted that the flexible tube 31 "could also be arranged along the outer edge of the middle foot 1 '(in phantom in Figure 5) and possibly looped.
- the invention is not limited to the aforementioned embodiments but can be applied to any movable element (FIG. 7) equipped with a safety device according to the invention (in broken lines) relative to a chassis frame. in an area where an obstacle can be interposed between the frame and the movable element, and for example to a hood or tailgate of a vehicle or a sunroof of a vehicle etc., operated by a drive device, electric pneumatic or hydraulic (not shown).
- the flexible tube 31 '" can be coextruded with a seal 46 between the mobile element and the frame, being for example housed inside the seal (protected ), in a space away from the sealing deformation of the latter (in broken lines) Only an obstacle deforms the flexible tube 31 '".
- the flexible tube 31 "" ( Figure 6b) can be mounted on the seal 47 inserted into a flexible lip 49 thereof, which facilitates its mounting.
- the flexible tube may comprise two adjacent channels, coextrusion for example, and each able to route one go of the signal and the other the return of the signal, the continuity of the signal from the go to return being performed by a suitable rider at the end of the tube.
- the invention thus provides an obstacle safety device for a moving element frame, which ensures a soft closing contact without risk of injuring a person, independent of the wear and the driving forces of the movable element and the elements. shear zones or corners of the frame, and which is adaptable in the closure area to secure many mobile element chassis.
- the invention generally relates to an obstacle detection device comprising deformable tubular means or flexible tube, characterized by means for detecting the collision shock of the obstacle against the deformable tubular means or flexible tube, by for example by measuring the sound or infrasonic pulse and / or the pressure wave, emitted in the deformable tubular means or flexible tube during the collision of approaching the obstacle against the deformable tubular means or flexible tube, means detecting the pinching or crushing of the obstacle on the deformable tubular means or flexible tube, for example by measuring the variation of the pressure of the air generated by the pinching or crushing and / or a sound or infrasonic signal, transmitted within the deformable tubular means or flexible tube, analysis means including in their treatment compensations for the wear of the components and the sensors by a automatic loop of regulation of the gains and / or the thresholds of shock and pinching, rendering the device little or not sensitive to the climatic variations (temperature, humidity, pressure) and to possible evolutions of attenuation of the channel of the flexible tube,
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Window Of Vehicle (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0704496A FR2917770B1 (fr) | 2007-06-22 | 2007-06-22 | Chassis pour element d'ouvrant motorise, notamment pour vehicule automobile, pourvu d'un dispositif de securite d'obstacle a la fermeture, et element d'ouvrant obtenu |
| PCT/FR2008/000854 WO2009013402A2 (fr) | 2007-06-22 | 2008-06-19 | Dispositif de detection d'obstacle, notamment chassis pour element d'ouvrant motorise pour vehicule automobile, et element d'ouvrant obtenu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2179121A2 true EP2179121A2 (fr) | 2010-04-28 |
| EP2179121B1 EP2179121B1 (fr) | 2013-03-20 |
Family
ID=38962889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08826624A Not-in-force EP2179121B1 (fr) | 2007-06-22 | 2008-06-19 | Dispositif de detection d'obstacle, notamment chassis pour element d'ouvrant motorise pour vehicule automobile, et procede de detection d'obstacle |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US8175769B2 (fr) |
| EP (1) | EP2179121B1 (fr) |
| JP (1) | JP5560187B2 (fr) |
| KR (1) | KR101451973B1 (fr) |
| CN (1) | CN101784741A (fr) |
| AU (1) | AU2008278934B2 (fr) |
| BR (1) | BRPI0813256A2 (fr) |
| CA (1) | CA2692080C (fr) |
| FR (1) | FR2917770B1 (fr) |
| RU (1) | RU2010101921A (fr) |
| WO (2) | WO2009000975A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017008537A1 (de) | 2017-09-11 | 2019-03-14 | Paragon Ag | Vorrichtung zur Erfassung des Betriebszustands einer z.B. an einer Fenster-, Tür-, Heckklappen- oder anderen Fahrzeugöffnung angeordneten Schlauchdichtung |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916981B (zh) * | 2010-08-05 | 2013-05-22 | 奇瑞汽车股份有限公司 | 防止汽车电动行李箱电机堵转的方法及所应用的位置传感器 |
| EP2428354A1 (fr) * | 2010-09-09 | 2012-03-14 | Bramidan A/S | Porte automatique de presse à balles |
| CN102519675A (zh) * | 2011-12-16 | 2012-06-27 | 重庆长安汽车股份有限公司 | 一种汽车闭合件动态位移测试方法 |
| CN102691453A (zh) * | 2012-05-22 | 2012-09-26 | 奇瑞汽车股份有限公司 | 一种呢槽防夹感应器系统及其运作方法 |
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| EP2942860A1 (fr) * | 2014-05-09 | 2015-11-11 | Siemens Aktiengesellschaft | Composant segmenté doté d'une première partie moulée |
| CN105539105B (zh) * | 2015-12-09 | 2019-03-08 | 宁波帅特龙集团有限公司 | 控制汽车天窗开合的方法 |
| CN105909117B (zh) * | 2016-04-29 | 2017-08-04 | 奇瑞汽车股份有限公司 | 开关门控制设备及开关门控制方法 |
| AU2018221456A1 (en) * | 2017-02-15 | 2019-07-11 | Covidien Lp | System and apparatus for crush prevention for medical robot applications |
| KR102045773B1 (ko) * | 2017-10-24 | 2019-11-18 | 주식회사 포스코 | 로프형 스크린 도어 |
| EP3495793B1 (fr) * | 2017-12-07 | 2022-08-03 | FCA Italy S.p.A. | Procédé de test pour vérifier la fonction de anti-pincement d'un disposituf de lève-vitre motorisé et ensemble de mesure pour la mise en oeuvre de ce procédé |
| WO2020012361A1 (fr) * | 2018-07-12 | 2020-01-16 | Gentex Corporation | Appareil de connexion et procédés de communication avec des systèmes électro-optiques de fenêtre mobile |
| CN108705924A (zh) * | 2018-08-06 | 2018-10-26 | 武汉宜南橡塑科技有限公司 | 一种安全性好、便于安装的汽车防夹装置 |
| US11572731B2 (en) * | 2019-08-01 | 2023-02-07 | Ford Global Technologies, Llc | Vehicle window control |
| CN112904772A (zh) * | 2021-01-20 | 2021-06-04 | 上海为讷科学仪器有限公司 | 一种应用于电子电路精密测量和信号处理的专用厚膜电路 |
| US12358349B2 (en) | 2021-09-30 | 2025-07-15 | Magna Mirrors Of America, Inc. | Vehicle window assembly with bonded perimeter frame |
| CN116104386B (zh) * | 2022-12-26 | 2024-09-20 | 吉林大学 | 一种电动侧摆式车门及其控制方法 |
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| DE19820877C2 (de) * | 1998-05-09 | 2002-09-19 | Contitech Luftfedersyst Gmbh | Berührungslose Abstands- und Druckmessung innerhalb einer Luftfeder |
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2007
- 2007-06-22 FR FR0704496A patent/FR2917770B1/fr not_active Expired - Fee Related
- 2007-11-07 WO PCT/FR2007/001837 patent/WO2009000975A1/fr not_active Ceased
-
2008
- 2008-06-19 EP EP08826624A patent/EP2179121B1/fr not_active Not-in-force
- 2008-06-19 CN CN200880103759A patent/CN101784741A/zh active Pending
- 2008-06-19 US US12/666,197 patent/US8175769B2/en active Active
- 2008-06-19 WO PCT/FR2008/000854 patent/WO2009013402A2/fr not_active Ceased
- 2008-06-19 AU AU2008278934A patent/AU2008278934B2/en not_active Ceased
- 2008-06-19 JP JP2010512738A patent/JP5560187B2/ja not_active Expired - Fee Related
- 2008-06-19 BR BRPI0813256-9A2A patent/BRPI0813256A2/pt not_active Application Discontinuation
- 2008-06-19 CA CA2692080A patent/CA2692080C/fr active Active
- 2008-06-19 RU RU2010101921/12A patent/RU2010101921A/ru not_active Application Discontinuation
- 2008-06-19 KR KR1020107001641A patent/KR101451973B1/ko active Active
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017008537A1 (de) | 2017-09-11 | 2019-03-14 | Paragon Ag | Vorrichtung zur Erfassung des Betriebszustands einer z.B. an einer Fenster-, Tür-, Heckklappen- oder anderen Fahrzeugöffnung angeordneten Schlauchdichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20100040732A (ko) | 2010-04-20 |
| WO2009000975A1 (fr) | 2008-12-31 |
| KR101451973B1 (ko) | 2014-10-21 |
| EP2179121B1 (fr) | 2013-03-20 |
| CA2692080A1 (fr) | 2009-01-29 |
| WO2009013402A2 (fr) | 2009-01-29 |
| WO2009013402A3 (fr) | 2009-04-09 |
| BRPI0813256A2 (pt) | 2014-12-30 |
| JP5560187B2 (ja) | 2014-07-23 |
| AU2008278934B2 (en) | 2014-07-03 |
| AU2008278934A1 (en) | 2009-01-29 |
| US20100174447A1 (en) | 2010-07-08 |
| US8175769B2 (en) | 2012-05-08 |
| FR2917770A1 (fr) | 2008-12-26 |
| CN101784741A (zh) | 2010-07-21 |
| CA2692080C (fr) | 2015-11-17 |
| FR2917770B1 (fr) | 2011-07-29 |
| JP2010531398A (ja) | 2010-09-24 |
| RU2010101921A (ru) | 2011-07-27 |
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