EP3812014B1 - Alarmvorrichtung zum anzeigen der abwesenheit einer sicherung eines kletterers - Google Patents

Alarmvorrichtung zum anzeigen der abwesenheit einer sicherung eines kletterers Download PDF

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Publication number
EP3812014B1
EP3812014B1 EP20202687.8A EP20202687A EP3812014B1 EP 3812014 B1 EP3812014 B1 EP 3812014B1 EP 20202687 A EP20202687 A EP 20202687A EP 3812014 B1 EP3812014 B1 EP 3812014B1
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Prior art keywords
link
ref
range
reference plane
horizontal reference
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English (en)
French (fr)
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EP3812014C0 (de
EP3812014A1 (de
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Philippe PEAN
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0006—Harnesses; Accessories therefor
    • A62B35/0025—Details and accessories

Definitions

  • the invention relates to the technical field of devices for warning of the absence of belaying of a climber equipped with a harness to which a link is attached, the link being intended to be held by a belaying system.
  • the invention finds its application in particular in the surveillance of a climbing room and the safety of climbers.
  • a known state-of-the-art device in particular the “Safe Gâte” product from Techtopia, comprises sensors arranged horizontally on the climbing wall 3 metres above the ground. The sensors make it possible to detect the absence of belaying by the climber when the latter exceeds the horizontal line formed by the sensors.
  • US 2018/207455 A1 discloses a retractable rope coupled with an alert device indicating entry into a dangerous area for a worker at altitude.
  • JP 2017 093515 A discloses a device for securing a worker at altitude.
  • the invention aims to remedy in whole or in part the aforementioned drawbacks. To this end, the invention relates to an alert device as defined in the appended claims.
  • the link In the absence of belaying, the link is not held by the belaying system and therefore has a negative inclination relative to the horizontal reference plane. In the event of belay, the link is held by the belay system and has a positive inclination relative to the horizontal reference plane.
  • the alert signal is sent when the climber exceeds a predetermined altitude, and when the link is outside the range of positive inclinations, meaning the absence of belaying. In other words, a double condition must be respected.
  • the microprocessor is configured to send the alert signal if and only if the barometric pressure variation exceeds the predetermined threshold and the detection signal is in the second state.
  • Such a device according to the invention equips the climber, and not the climbing wall as in the prior art, which makes it possible to avoid the costs of installing sensors on each climbing wall in the room.
  • the device according to the invention may comprise one or more of the following characteristics.
  • the detection means are configured to detect the movement of the link in a solid angle extending above the horizontal reference plane, around an axis defined by the final positive inclination of the link.
  • solid angle we mean a quantity defining the portion of space delimited by the center of a sphere and a part of the surface of the sphere (surface element noted dS) according to the ratio dS/R 2 , where R is the radius of the sphere.
  • an advantage provided is to be able to reliably detect the final positive inclination of the link with an authorized tolerance in the event of untimely movement of the link.
  • the final positive inclination of the link is vertical, and the axis is the normal to the horizontal reference plane.
  • the solid angle delimits a cone having a half-angle at the apex between 35° and 55°, preferably between 40° and 50°, more preferably equal to 45°.
  • an advantage provided is to be able to reliably detect the final positive inclination of the link with a reasonable tolerance allowed in the event of untimely movement of the link.
  • the solid angle has an axis of revolution following the axis defined by the final positive inclination of the link.
  • an advantage provided is to be able to reliably detect the final positive inclination of the link with an allowed tolerance all around its axis.
  • the detection means comprise a tilt sensor, preferably a ball sensor.
  • the microprocessor is configured to calculate the variation in barometric pressure at a frequency greater than or equal to 2 Hz.
  • an advantage provided is to be able to reliably and sufficiently quickly determine the exceeding of the predetermined threshold of the barometric pressure variation in order to avoid the climber's altitude being too high when the alert signal is sent.
  • the device comprises light and/or sound alert means, configured to be activated when the microprocessor sends the alert signal.
  • one advantage provided is the effectiveness of the alert, both for the climber and a supervisor of the climbing room.
  • the predetermined threshold of the barometric pressure variation corresponds to a variation in altitude of the climber of between 2 m and 2.5 m.
  • one benefit provided is to reduce the risks for the climber when the warning signal is sent.
  • the pressure sensor has a sensitivity greater than or equal to 1 mbar.
  • an advantage provided is to be able to determine a corresponding altitude variation of the climber with sufficient precision.
  • the invention also relates to an alert assembly as defined in the appended claims.
  • the invention also relates to an alert method as defined in the appended claims.
  • the device may comprise link 3, the detection means 7 being fixed to link 3.
  • the device is partially illustrated in figure 1 .
  • the enclosure 5 may be made in the form of a housing.
  • the housing may be made of a plastic material.
  • the enclosure 5 may be a harness pocket.
  • the enclosure 5 delimits a space that is not hermetically sealed in the sense that the enclosure 5 must allow ambient air to penetrate so that the pressure sensor 6 can measure the barometric pressure.
  • the pressure sensor 6 advantageously has a sensitivity greater than or equal to 1 mbar.
  • the pressure sensor 6 may be the BMP380 sensor from the company Bosch Sensortec, or the MS5611-01BA03 sensor from the company MEAS Switzlerland.
  • the device may comprise at least one pressure sensor 6, arranged in the enclosure 5 to measure a barometric pressure.
  • the device may comprise an additional pressure sensor 6, arranged in the enclosure 5 to measure a barometric pressure.
  • the additional pressure sensor 6 makes it possible, by redundancy, to improve the reliability of the measurement of the barometric pressure.
  • the detection means 7 can be fixed to the link 3 using an adhesive, a strap (eg rubber), or a fixing collar.
  • the detection means 7 are advantageously configured to detect the movement of the link 3 in a solid angle 70 extending above the horizontal reference plane P ref , around an axis A defined by the final positive inclination of the link 3.
  • the final positive inclination of the link 3 may be vertical, and the axis A around which the solid angle 70 extends is the normal to the horizontal reference plane P ref .
  • the solid angle 70 advantageously delimits a cone having a half-angle at the apex ⁇ between 35° and 55°, preferably between 40° and 50°, more preferably equal to 45°.
  • the solid angle 70 advantageously has an axis of revolution following the axis A defined by the final positive inclination of the link 3.
  • the detection means 7 advantageously comprise a tilt sensor 71, preferably a ball sensor.
  • the tilt sensor 71 is advantageously connected to the enclosure 5 using a cable 710, preferably spiral.
  • the detection means 7 may comprise a tilt sensor 71 fixed to the link 3. More precisely, the tilt sensor 71 comprises a housing fixed to the link 3, for example using an adhesive, a strap (eg rubber), a fixing collar.
  • the tilt sensor housing 71 may be positioned (fixedly) on the link 3 such that the tilt of the housing (relative to the horizontal) measured by the tilt sensor 71 corresponds directly to the tilt of the link 3 relative to the horizontal reference plane P ref .
  • the axis A around which the solid angle 70 extends may be the normal to the horizontal reference plane P ref .
  • the fixed position of the tilt sensor housing 71 on the link 3 may be chosen according to the geometry of the link 3.
  • the tilt sensor housing 71 may be aligned with a longitudinal edge of the link 3; the tilt sensor housing 71 and the link 3 may be coplanar.
  • the tilt sensor housing 71 may be positioned (fixed) on the link 3 in a predetermined orientation relative to the link 3, such that the tilt of the link 3 relative to the horizontal reference plane P ref may be measured from the predetermined orientation and the tilt of the housing (relative to the horizontal) measured by the tilt sensor 71.
  • the axis A around which the solid angle 70 extends may have an angle with the normal to the horizontal reference plane P ref , the angle corresponding to said predetermined orientation of the tilt sensor housing 71 relative to the link 3.
  • the fixed position of the tilt sensor housing 71 on the link 3 may be chosen according to the geometry of the link 3.
  • the microprocessor 8 is advantageously configured to calculate the variation in barometric pressure at a frequency greater than or equal to 2 Hz.
  • the microprocessor 8 is advantageously configured to digitally filter the data provided by the pressure sensor 6. This digital filtering makes it possible to eliminate local and parasitic variabilities of the pressure measured by the pressure sensor 6.
  • the device advantageously comprises light and/or sound alert means (not shown), configured to be activated when the microprocessor 8 sends the alert signal.
  • the light alert means can be produced in the form of light-emitting diodes.
  • the alert signal can be sent to a server using a wireless transmission module in order to centralize the alerts and simplify the monitoring of a climbing room.
  • the predetermined threshold of the barometric pressure variation advantageously corresponds to a variation in altitude of climber 1 of between 2 m and 2.5 m.
  • the microprocessor 8 is configured to send the alert signal if and only if the variation in barometric pressure exceeds the predetermined threshold and the detection signal is in the second state.
  • the device may be electrically powered by a power source 9.
  • the power source 9 may be batteries or a battery.
  • the power source 9 is advantageously provided so that the device operates for one day without recharging.
  • the term "link” is understood as a ring, preferably metallic, which may include an opening system.
  • the ring has a closed curve which may have, for example, a circular, elliptical, triangular shape, etc.
  • the link 3 may be a carabiner attached directly to the harness 2.
  • the belaying system 4 may include a rope attached to the carabiner by a knot (e.g. a figure-eight knot or a bowline knot).
  • Link 3 is intended to be held by the belay system 4 following a final positive inclination relative to a horizontal reference plane P ref , when the belay system 4 is in operation.
  • Step c) may consist of fixing the detection means 7 to the link 3.
  • Step f) is performed such that the microprocessor is configured to send the alert signal if and only if the variation in barometric pressure exceeds the predetermined threshold and the detection signal is in the second state.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Measuring Fluid Pressure (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
  • Navigation (AREA)

Claims (11)

  1. Alarmvorrichtung zum Anzeigen einer Abwesenheit einer Sicherung eines Kletterers (1), der mit einem Klettergurt (2) ausgerüstet ist, wobei die Vorrichtung Folgendes umfasst:
    - ein Kettenglied (3), das dazu bestimmt ist, an dem Klettergurt (2) angebracht zu sein;
    - eine Box (5), die dazu bestimmt ist, an dem Klettergurt (2) befestigt zu sein;
    - einen Drucksensor (6), der in der Box (5) eingerichtet ist, um einen barometrischen Druck zu messen;
    - Detektionsmittel (7), die einen Neigungssensor (71) umfassen, wobei der Neigungssensor (71) ein Gehäuse umfasst, das fest an dem Kettenglied (3) positioniert ist, wobei die Detektionsmittel (7) dazu konfiguriert sind, eine Bewegung des Kettenglieds (3) in einem Bereich positiver Neigungen zu detektieren, wenn sich das Kettenglied (3) in einer Ebene oberhalb einer horizontalen Referenzebene (Pref) erstreckt, wobei die positiven Neigungen des Bereichs die Diederwinkel sind, die zwischen der Ebene, in der sich das Kettenglied (3) erstreckt, und der horizontalen Referenzebene (Pref) gebildet werden; wobei die durch den Neigungssensor (71) detektierten positiven Neigungen des Bereichs eine endgültige positive Neigung enthalten, die dem Diederwinkel entspricht, der zwischen der Ebene, in der sich das Kettenglied (3) erstreckt, wenn das Kettenglied (3) durch ein Sicherungssystem (4) gehalten wird, und der horizontalen Referenzebene (Pref) gebildet wird, wobei die Detektionsmittel (7) so konfiguriert sind, dass die durch den Neigungssensor detektierten positiven Neigungen des Bereichs einen Raumwinkel (70) bilden, der sich oberhalb der horizontalen Referenzebene (Pref) und um eine vertikale Achse (A), die die Normale zu der horizontalen Referenzebene (Pref) ist, erstreckt;
    wobei die Detektionsmittel (7) dazu konfiguriert sind, ein Detektionssignal auszugeben, das Folgendes beinhaltet:
    einen ersten Zustand, der angibt, dass sich das Kettenglied (3) in dem Bereich positiver Neigungen befindet,
    einen zweiten Zustand, der angibt, dass sich das Kettenglied (3) außerhalb des Bereichs positiver Neigungen befindet;
    - einen Mikroprozessor (8), der in der Box (5) eingerichtet ist, mit dem Drucksensor (6) und den Detektionsmitteln (7) verbunden ist und zu Folgendem konfiguriert ist:
    Berechnen einer Änderung des durch den Drucksensor (6) gemessenen barometrischen Drucks,
    Senden eines Alarmsignals dann und nur dann, wenn die Änderung des barometrischen Drucks eine vorbestimmte Schwelle überschreitet und sich das Detektionssignal in dem zweiten Zustand befindet.
  2. Vorrichtung nach Anspruch 1, wobei der Raumwinkel (70) einen Kegel begrenzt, der einen Halbwinkel an der Spitze (α) zwischen 35° und 55°, vorzugsweise zwischen 40° und 50°, noch bevorzugter gleich 45° aufweist.
  3. Vorrichtung nach Anspruch 1 oder 2, wobei der Raumwinkel (70) eine Rotationsachse gemäß der vertikalen Achse (A), die die Normale zu der horizontalen Referenzebene (Pref) ist, aufweist.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, wobei der Neigungssensor (71) ein Kugelsensor ist.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, wobei der Mikroprozessor (8) dazu konfiguriert ist, die barometrische Druckänderung mit einer Frequenz größer als oder gleich 2 Hz zu berechnen.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, die Licht- und/oder Tonalarmmittel umfasst, die dazu konfiguriert sind, aktiviert zu werden, wenn der Mikroprozessor (8) das Alarmsignal sendet.
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, wobei die vorbestimmte Schwelle für die barometrische Druckänderung einer Höhenänderung des Kletterers (1) zwischen 2 m und 2,5 m entspricht.
  8. Vorrichtung nach einem der Ansprüche 1 bis 7, wobei der Drucksensor (6) eine Empfindlichkeit größer als oder gleich 1 mbar aufweist.
  9. Alarmsystem zum Anzeigen einer Abwesenheit einer Sicherung eines Kletterers (1), der mit einem Klettergurt (2) ausgerüstet ist, wobei das System Folgendes umfasst:
    - ein Sicherungssystem (4);
    - eine Vorrichtung nach einem der Ansprüche 1 bis 8, wobei die durch den Neigungssensor (71) detektierten positiven Neigungen des Bereichs die endgültige positive Neigung enthalten, die dem Diederwinkel entspricht, der zwischen der Ebene, in der sich das Kettenglied (3) erstreckt, wenn das an dem Sicherungssystem (4) montierte Kettenglied (3) durch das Sicherungssystem (4) gehalten wird, und der horizontalen Referenzebene (Pref) gebildet wird.
  10. Alarmanordnung zum Anzeigen einer Abwesenheit einer Sicherung eines Kletterers (1), die Folgendes umfasst:
    - einen Klettergurt (2), der zum Ausrüsten des Kletterers (1) bestimmt ist;
    - eine Vorrichtung nach einem der Ansprüche 1 bis 8, wobei das Kettenglied (3) an dem Klettergurt (2) angebracht ist, wobei die Box (5) an dem Klettergurt (2) befestigt ist.
  11. Alarmverfahren zum Anzeigen einer Abwesenheit einer Sicherung eines Kletterers (1), der mit einem Klettergurt (2) ausgerüstet ist, an dem ein Kettenglied (3) angebracht ist, wobei das Verfahren die folgenden Schritte umfasst:
    a) Bereitstellen einer Box (5), die dazu bestimmt ist, an dem Klettergurt (2) befestigt zu werden;
    b) Einrichten eines Drucksensors (6) in der Box (5), um einen barometrischen Druck zu messen;
    c) festes Positionieren von Detektionsmitteln (7) an dem Kettenglied (3); wobei die Detektionsmittel (7) einen Neigungssensor (71) umfassen, wobei der Neigungssensor (71) ein Gehäuse umfasst, das fest an dem Kettenglied (3) positioniert wird;
    d) Konfigurieren der Detektionsmittel (7):
    - zum Detektieren einer Bewegung des Kettenglieds (3) in einem Bereich positiver Neigungen, wenn sich das Kettenglied (3) in einer Ebene oberhalb einer horizontalen Referenzebene (Pref) erstreckt, wobei die positiven Neigungen des Bereichs die Diederwinkel sind, die zwischen der Ebene, in der sich das Kettenglied (3) erstreckt, und der horizontalen Referenzebene (Pref) gebildet werden; wobei die durch den Neigungssensor (71) detektierten positiven Neigungen des Bereichs eine endgültige positive Neigung enthalten, die dem Diederwinkel entspricht, der zwischen der Ebene, in der sich das Kettenglied (3) erstreckt, wenn das Kettenglied (3) durch ein Sicherungssystem (4) gehalten wird, und der horizontalen Referenzebene (Pref) gebildet wird;
    - so, dass die durch den Neigungssensor (71) detektierten positiven Neigungen des Bereichs einen Raumwinkel (70) bilden, der sich oberhalb der horizontalen Referenzebene (Pref) und um eine vertikale Achse (A), die die Normale zu der horizontalen Referenzebene (Pref) ist, erstreckt;
    - zum Ausgeben eines Detektionssignals, das Folgendes beinhaltet:
    einen ersten Zustand, der angibt, dass sich das Kettenglied (3) in dem Bereich positiver Neigungen befindet,
    einen zweiten Zustand, der angibt, dass sich das Kettenglied (3) außerhalb des Bereichs positiver Neigungen befindet;
    e) Einrichten eines Mikroprozessors (8) in der Box (5), der mit dem Drucksensor (6) und den Detektionsmitteln (7) verbunden ist;
    f) Konfigurieren des Mikroprozessors (8) zu Folgendem:
    - Berechnen einer Änderung des durch den Drucksensor (6) gemessenen barometrischen Drucks,
    - Senden eines Alarmsignals dann und nur dann, wenn die Änderung des barometrischen Drucks eine vorbestimmte Schwelle überschreitet und sich das Detektionssignal in dem zweiten Zustand befindet.
EP20202687.8A 2019-10-21 2020-10-20 Alarmvorrichtung zum anzeigen der abwesenheit einer sicherung eines kletterers Active EP3812014B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1911754A FR3102065B1 (fr) 2019-10-21 2019-10-21 Dispositif d’alerte d’une absence d’assurage d’un grimpeur

Publications (3)

Publication Number Publication Date
EP3812014A1 EP3812014A1 (de) 2021-04-28
EP3812014C0 EP3812014C0 (de) 2024-10-09
EP3812014B1 true EP3812014B1 (de) 2024-10-09

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EP (1) EP3812014B1 (de)
ES (1) ES2999482T3 (de)
FR (1) FR3102065B1 (de)

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Publication number Priority date Publication date Assignee Title
US12270682B2 (en) 2022-04-21 2025-04-08 Masai Device for warning about the absence of belaying of a climber

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6409748B2 (ja) * 2015-11-18 2018-10-24 富士通株式会社 作業状態監視システム、作業状態監視方法および安全帯
DE102016101532A1 (de) * 2016-01-28 2017-08-03 Philipp Strasser Neigungsmessvorrichtung zum Messen einer Neigung eines Sicherheitsseils für einen Kletterer
US10722739B2 (en) * 2017-01-25 2020-07-28 Jeffrey D. Thompson Controlled descent self-retracting lanyard

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FR3102065A1 (fr) 2021-04-23
FR3102065B1 (fr) 2021-10-22
EP3812014C0 (de) 2024-10-09
EP3812014A1 (de) 2021-04-28
ES2999482T3 (en) 2025-02-26

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