EP2113737B1 - Procédé pour instruire un capteur magnétoélectrique d'un dispositif d'illumination d'un dispositif de visé d'un système d'arme permettant la commutation non-tactile de ce dispositif d'illumination - Google Patents

Procédé pour instruire un capteur magnétoélectrique d'un dispositif d'illumination d'un dispositif de visé d'un système d'arme permettant la commutation non-tactile de ce dispositif d'illumination Download PDF

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Publication number
EP2113737B1
EP2113737B1 EP09005789.4A EP09005789A EP2113737B1 EP 2113737 B1 EP2113737 B1 EP 2113737B1 EP 09005789 A EP09005789 A EP 09005789A EP 2113737 B1 EP2113737 B1 EP 2113737B1
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EP
European Patent Office
Prior art keywords
magnetic field
sensor
measuring
field strength
magnetoelectric sensor
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.)
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Application number
EP09005789.4A
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German (de)
English (en)
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EP2113737A3 (fr
EP2113737A2 (fr
Inventor
Erhard Mutz
Christian Sinn
Christof Wehrmann
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Carl Zeiss Sports Optics GmbH
Original Assignee
Carl Zeiss Sports Optics GmbH
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Publication date
Application filed by Carl Zeiss Sports Optics GmbH filed Critical Carl Zeiss Sports Optics GmbH
Publication of EP2113737A2 publication Critical patent/EP2113737A2/fr
Publication of EP2113737A3 publication Critical patent/EP2113737A3/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G1/00—Sighting devices
    • F41G1/32—Night sights, e.g. luminescent
    • F41G1/34—Night sights, e.g. luminescent combined with light source, e.g. spot light
    • F41G1/345—Night sights, e.g. luminescent combined with light source, e.g. spot light for illuminating the sights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G1/00—Sighting devices
    • F41G1/32—Night sights, e.g. luminescent
    • F41G1/34—Night sights, e.g. luminescent combined with light source, e.g. spot light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G1/00—Sighting devices
    • F41G1/38—Telescopic sights specially adapted for smallarms or ordnance; Supports or mountings therefor

Definitions

  • the invention relates to a method for teaching a weapon system comprising a rifle or a handgun with a sighting device.
  • the sighting device has an illuminable aiming mark (reticle), i. a reticle with a reticle illumination on.
  • reticle illuminable aiming mark
  • the invention further relates to a second method for non-contact switching of the reticle illumination, and to two devices for carrying out the first method.
  • EP 1 596 152 A1 discloses a sighting device for a firearm, with an electric lighting device which is switched on and off by means of a switch contactless.
  • the switch is a closing by the force of a magnetic field REED contact.
  • an electronic semiconductor switch or a mechanical switch is provided.
  • a disadvantage of this sighting device is that it can be used only for a specific firearm and a specific target device, as varies in different weapon systems and target devices, the distance between the magnet and REED contact. If the distance is too great, it may be that the REED contact is not operated even with the firearm unlocked. If the distance is too small, there is a risk that the lighting device remains switched on even when the firearm is secured and the battery is drained.
  • simple REED contacts are not robust enough to survive the accelerations of firing a firearm.
  • the REED sensors known from microsystem technology additionally have the disadvantage that they have too low a sensitivity.
  • the discharge of energy storage e.g. of batteries, kept low. A fast unwanted unloading is prevented.
  • a sighting device is associated with a firearm, i. the sighting device is connected via a fastening device, e.g. a rail system connected to the firearm.
  • the fuse element of a firearm is assigned a permanent magnet which generates a magnetic field.
  • the associated permanent magnet can be attached to the fuse element or arranged in the fuse element.
  • the fuse element is used to put the firearm in readiness for fire, i. for securing and unlocking the firearm.
  • an MME sensor is fastened in the area of the sighting device, for example in the sighting device, on the sighting device or in / on the fastening device for fastening the sighting device to the firearm.
  • an MME sensor is fastened in the area of the sighting device, for example in the sighting device, on the sighting device or in / on the fastening device for fastening the sighting device to the firearm.
  • the MME sensor can be arranged below the sighting device in / on the firearm itself.
  • a change in the distance between the permanent magnet and the MME sensor arranged in the region of the sighting device generates a magnetic field change detectable by the MME sensor.
  • An MME sensor associated control electronics triggers when passing, ie exceeding or falling below a defined limit of the magnetic field strength an activation or deactivation of the illumination of the sighting device.
  • MME sensors The operating principle of the measuring magnetoelectric sensors advantageously used for this invention, abbreviated to MME sensors, is based on magnetoelectrics.
  • the MME sensors are understood to mean the following group of sensors: AMR, TMR, CMR, EMR, GMR sensor, sensor based on magnetoinductive or magnetostrictive effects, sensor based on the Hall effect. Common to all is an output signal dependent on the magnetic field strength and to be measured (measurement signal).
  • a metallic or dielectric layer system reacts by changing the ohmic resistance to a magnetic field change (MR: magnetoresistive).
  • MR magnetoresistive
  • AMR, TMR, CMR, EMR and GMR sensors anisotropic, tunnel, collossale, extraordinary, giant
  • sensors based on magnetoinductive or magnetostrictive effects and the Hall effect are known and applicable.
  • the invention is described with reference to a GMR sensor, the most advantageous type of sensor for the invention. It has the necessary sensitivity to ensure the function of the switch regardless of the usual distance of the fuse element to the target device.
  • GMR sensors are often used as read heads in hard drives.
  • the magnetic field does not serve the transmission of information in the conventional sense as in radio or television. Rather, the information transfer is done by changing the strength of a magnetic field caused by the movement of the fuse element. Under information here is the distance of the fuse element from the sensor to understand.
  • the MME sensor In order for the MME sensor to respond to a distance change predetermined by the geometry of the weapon system and the sighting device, it is taught in advance.
  • the MME sensor is superior to the REED contact, because with this such a teach-in function can not be realized.
  • the teach-in process is based on the fact that with the MME sensor magnetic field strengths can be measured, while, for example, a REED contact switches only digital. Since the permanent magnet is usually quite far, e.g. 20 mm, located away from the sighting device and thus at the location of the MME sensor a very small magnetic field strength caused by the permanent magnet prevails, the control electronics can be reproducibly put into a learning state by a large magnetic field strength in comparison. The change of the magnetic field strength can be done by approaching a teach-in magnet to the MME sensor. This significantly increases the magnetic field strength detectable at the MME sensor. Alternatively, instead of changing the magnetic field strength, a modulated magnetic field may be provided, which is generated by a modulation device.
  • the MME sensor In the learning state, the MME sensor, after removal of the teach-in magnet or modulation device, measures the magnetic field strength prevailing through the permanent magnet on the MME sensor. A renewed approach of the teach-in magnet or the modulation device switches off this measurement again; the measured value is stored and will in future be used to detect the location of the fuse element. This procedure can be repeated for any number of locations of the security element, in particular the secure and the unsecured state, and thus switching states of the sighting device.
  • the securing element may be formed, for example, as a safety slide or safety lever.
  • the MME sensor Since the MME sensor measures the current magnetic field strength, it can also be used to monitor the measured values stored in the teach-in process. So it is conceivable that due to the shot load, e.g. shifts the sighting device with respect to the securing element. This changes the measured values in the end positions. About storing these measurements, e.g. as a function of time, these shifts can be detected and presented to the user, e.g. be signaled by a light or sound. He then has the opportunity to readjust his weapons system again.
  • FIG. 1 An example of the weapon system, the sighting device and the two devices according to the invention for carrying out the first method is shown in FIG. 1 shown.
  • the two methods of the invention will become apparent from this example and the flow charts Figures 2 and 3 explained.
  • FIG. 1 shows a weapon system 1 consisting of a firearm 2 and a sighting device 3.
  • the Laufselelen axis of the firearm 2 is denoted by L and the optical axis of the sighting device 3 with A.
  • the sighting device 3 is fastened with a fastening device 4, for example a rail system, on the firearm 2.
  • the firearm 2 has a securing element 5, for example a clamping slide. This can, for example, be moved parallel to the barrel axis L. This movement is indicated by a double arrow.
  • the fuse element 5 is used for putting the firearm 2 in readiness for fire, ie for securing and unlocking the firearm.
  • the fuse element 5 is associated with a permanent magnet 6, which generates a magnetic field.
  • the permanent magnet 6 is fixed for example on the securing element 5 or arranged in the securing element 5.
  • the securing element 5 together with the permanent magnet can be moved parallel to the barrel axis in the direction of the sighting device 3 (double arrow). It may alternatively be provided that the direction of movement is oblique to the Laufselelenachse L.
  • the sighting device 3 is associated with a GMR sensor 7. This can be in the sighting device 3 or as in FIG. 1 shown outside the sighting device 3 be mounted.
  • the securing element 5 is now moved in the direction of the sighting device 3 for unlocking, changing magnetic field strengths are determined by the GMR sensor 7 on the basis of the approaching permanent magnet 6. If a certain maximum value is exceeded, the reticle illumination 10 is switched on. It can now be aimed at lighting. If the securing element 5 is then moved back again, then the magnetic field intensities determined by the GMR sensor 7 change again due to the permanent magnet 6 being removed. When falling below a minimum value then the reticle lighting 10 is turned off.
  • the sighting device 3 has for this purpose an electronic control system 11.
  • Both firearm 2 and sighting device 3 are individually selected by the user and then usually connected to a gunsmith 8 by means of a fastening device 4 to a weapon system 1.
  • a fastening device 4 to a weapon system 1.
  • there are different working distances between the permanent magnet 6 of the fuse element These depend inter alia on the geometric design, for example the length of the sighting device 3, the arrangement of the securing element 5 on the firearm 3 and the geometrical design of the fastening device 4.
  • the GMR sensor 7 Due to the extended possible measuring distance range of the GMR sensor 7 of, for example, about 2 mm to about 30 mm depending on the strength of the permanent magnet 6, a non-contact circuit of the lighting device 10 for a variety of weapon systems, the different working distances between GMR sensor and permanent magnet 6 can be achieved.
  • a battery compartment 13 with battery (s) for supplying the electric lighting device 10 with power may be present.
  • FIG. 2 shows a flowchart of the method for teaching the GMR sensor 7.
  • the flowchart can be applied to the two output cases “secured output state” or "unsecured output state”.
  • the flowchart begins with a standby position of the GMR sensor.
  • an on / off button (Bel.-Button) or similar. be provided.
  • the strong magnetic field generated in the process steps a) and e) can e.g. for a period of 1-20 seconds or longer.
  • the method steps for teaching the GMR sensor 7 can be carried out during assembly of the sighting device 3, e.g. of the riflescope to be performed by the gunsmith 8.
  • the GMR sensor 7 move too far away from the fuse element 5, e.g. due to a displacement of the sighting device 3 on the fastening device 4, this magnetic field change can be detected by the GMR sensor 7 and an alarm device 12 can be activated when a certain value is exceeded. This can then warn the user of a visual or audible signal.
  • a termination condition may terminate the teach-in process.
  • FIG. 3 shows the flow of the method for non-contact switching of the illumination device 10 of a weapon system 1 using a flow chart.
  • the flowchart can be used for both cases, i. read the initially saved or the unsecured state.
  • an on / off element e.g. Pulling a button (Bel.-Button)
  • the electric lighting device By actuating an on / off element, e.g. Pulling a button (Bel.-Button), the electric lighting device, the GMR sensor is put into a standby mode.
  • the lighting In the secured state, the lighting (Bel.) Is switched off and in the unsecured state, the lighting is switched on.
  • the lighting device can be switched off even when the weapon is unlocked.
  • FIGS. 1 to 3 were exemplified with a GMR sensor. Of course, another sensor from the group of MME sensors could be used.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Claims (7)

  1. Procédé pour un système d'arme (1) individuel, le système d'arme (1) comprenant :
    une arme à feu (2) ainsi qu'un dispositif de visée (3) associé muni d'un dispositif d'éclairage (10) électrique qui peut être allumé et éteint, un aimant permanent (6) destiné à générer un champ magnétique étant associé à un élément de sécurité (5) de l'arme à feu (2) qui peut être déplacé entre une première et une deuxième position, et au dispositif de visée (3) étant associé un capteur magnétoélectrique (7) de mesure destiné à mesurer l'intensité du champ magnétique de l'aimant permanent (6) dans la zone du dispositif de visée (3), un franchissement d'une valeur limite définie de l'intensité du champ magnétique résultant d'un changement de position de l'élément de sécurité (5) accompagné de l'aimant permanent (6) rendant possible un actionnement du dispositif d'éclairage (10) électrique au moyen d'une électronique de commande (11) afin d'obtenir un allumage de l'éclairage et afin d'obtenir une extinction de l'éclairage dans le cas d'un franchissement d'une autre valeur limite définie résultant d'un changement de position de retour,
    comprenant les étapes suivantes en vue de l'apprentissage des valeurs mesurées de l'intensité du champ magnétique devant être détectées par le capteur magnétoélectrique (7) de mesure lors des changements de position de l'élément de sécurité (5) :
    a) basculement de l'électronique de commande (11) du dispositif de visée (3) dans un mode d'apprentissage par
    1) génération d'un puissant champ magnétique au niveau du capteur magnétoélectrique de mesure, par exemple en approchant un aimant d'apprentissage externe (9) du capteur magnétoélectrique (7) de mesure, notamment > 500 kA/m, de préférence > 200 kA/m, notamment de préférence > 80 kA/m. Si l'intensité du champ magnétique détectée par le capteur magnétoélectrique (7) de mesure franchit une valeur limite prédéfinie, l'électronique de commande (11) du dispositif de visée (3) est amenée dans un mode d'apprentissage. Ensuite, suppression du puissant champ magnétique au niveau du capteur magnétoélectrique de mesure, par exemple en éloignant l'aimant d'apprentissage externe (9) hors de la zone de mesure du capteur magnétoélectrique (7) de mesure,
    ou par
    2) un dispositif de modulation activé avec lequel son intensité du champ magnétique est modulée dans le temps. La position à laquelle a été placé l'élément de sécurité (5) est communiquée au capteur magnétoélectrique de mesure au moyen du type de modulation. L'électronique de commande est amenée dans le mode d'apprentissage. Le dispositif de modulation est ensuite de nouveau rendu passif.
    b) Mesure et mise en mémoire de l'intensité du champ magnétique actuelle au niveau du capteur magnétoélectrique (7) de mesure, par exemple après un retard dans le temps défini. Cela produit une première valeur mesurée pour une première position de l'élément de sécurité (5) de l'arme à feu (2), par exemple la position sécurisée.
    c) Après la mesure et la mise en mémoire de la première valeur mesurée par l'électronique de commande (11) et éventuellement après l'écoulement d'un retard dans le temps supplémentaire, l'élément de sécurité (5) de l'arme à feu (2) est déplacé dans une deuxième position et le capteur magnétoélectrique (7) de mesure est amené dans un deuxième mode d'apprentissage par une génération et une suppression d'un puissant champ magnétique ou au moyen du dispositif de modulation.
    d) Mesure et mise en mémoire de l'intensité du champ magnétique actuelle au niveau du capteur magnétoélectrique (7) de mesure, par exemple après un retard dans le temps défini supplémentaire. Cela produit une deuxième valeur mesurée pour une deuxième position de l'élément de sécurité, par exemple la position armée.
    e) Ensuite, par exemple après écoulement d'un retard dans le temps défini supplémentaire, le capteur magnétoélectrique (7) de mesure quitte le mode d'apprentissage.
  2. Procédé selon la revendication 1, caractérisé en ce que des valeurs mesurées sont déterminées à des positions supplémentaires de l'élément de sécurité (5), notamment pour détecter une modification imprévue de l'écart entre l'élément de sécurité (5) et le capteur magnétoélectrique (7) de mesure, laquelle va au-delà de la sécurisation/l'armement.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le capteur magnétoélectrique de mesure utilisé est un capteur du groupe suivant : capteur AMR, TMR, CMR, EMR, GMR, un capteur à base d'effets magnéto-inductifs ou magnéto-restrictifs, ou un capteur à base d'effet Hall.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que le capteur magnétoélectrique de mesure est amené dans le deuxième mode d'apprentissage par une génération de courte durée et une suppression d'un puissant champ magnétique.
  5. Procédé de commutation sans contact du dispositif d'éclairage d'un système d'arme (1),
    le système d'arme (1) comprenant :
    une arme à feu (2) ainsi qu'un dispositif de visée (3) associé muni d'un dispositif d'éclairage (10) électrique qui peut être allumé et éteint, un aimant permanent (6) destiné à générer un champ magnétique étant associé à un élément de sécurité (5) de l'arme à feu (2) qui peut être déplacé entre une première et une deuxième position, et au dispositif de visée (3) étant associé un capteur magnétoélectrique (7) de mesure destiné à mesurer l'intensité du champ magnétique de l'aimant permanent (6) dans la zone du dispositif de visée (3), un franchissement d'une valeur limite définie de l'intensité du champ magnétique résultant d'un changement de position de l'élément de sécurité (5) accompagné de l'aimant permanent (6) rendant possible un actionnement du dispositif d'éclairage (10) électrique au moyen d'une électronique de commande (11) afin d'obtenir un allumage de l'éclairage et afin d'obtenir une extinction de l'éclairage dans le cas d'un franchissement d'une autre valeur limite définie résultant d'un changement de position de retour,
    lequel a été soumis à un apprentissage selon la revendication 1, comprenant les étapes suivantes :
    a) lors de l'armement, un changement de position de l'élément de sécurité (5) accompagné de l'aimant permanent (6) provoque une modification de l'intensité du champ magnétique à l'endroit du capteur magnétoélectrique (7) de mesure,
    b) lors du franchissement d'une valeur limite définie de l'intensité du champ magnétique, notamment ≥ 90 % de la première valeur mesurée, l'éclairage du dispositif d'éclairage (10) est allumé au moyen d'une électronique de commande (11),
    c) lors de la sécurisation, un changement de position supplémentaire de l'élément de sécurité (5) accompagné de l'aimant permanent (6) provoque une nouvelle modification de l'intensité du champ magnétique à l'endroit du capteur magnétoélectrique (7) de mesure,
    d) lors du franchissement d'une valeur limite définie supplémentaire de l'intensité du champ magnétique, notamment ≤ 110 % de la deuxième valeur mesurée, l'éclairage du dispositif d'éclairage (10) est de nouveau éteint au moyen de l'électronique de commande (11).
  6. Dispositif pour la mise en oeuvre du procédé selon la revendication 1, caractérisé en ce que le système d'arme (1) qui y est mentionné est complété par un aimant externe qui peut être rapproché et éloigné.
  7. Dispositif pour la mise en oeuvre du procédé selon la revendication 1, caractérisé en ce que le système d'arme (1) qui y est mentionné est complété par un dispositif de modulation destiné à générer un champ magnétique modulé.
EP09005789.4A 2008-04-30 2009-04-25 Procédé pour instruire un capteur magnétoélectrique d'un dispositif d'illumination d'un dispositif de visé d'un système d'arme permettant la commutation non-tactile de ce dispositif d'illumination Active EP2113737B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810021732 DE102008021732A1 (de) 2008-04-30 2008-04-30 Waffensystem sowie Visiereinrichtung und Verfahren für ein Waffensystem

Publications (3)

Publication Number Publication Date
EP2113737A2 EP2113737A2 (fr) 2009-11-04
EP2113737A3 EP2113737A3 (fr) 2013-09-04
EP2113737B1 true EP2113737B1 (fr) 2015-07-08

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EP (1) EP2113737B1 (fr)
DE (1) DE102008021732A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109488197A (zh) * 2018-11-09 2019-03-19 上海容之自动化系统有限公司 Tmr磁电阻传感器防夹机构

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Publication number Priority date Publication date Assignee Title
EP0176169A2 (fr) * 1984-05-24 1986-04-02 Lasergage Limited Instruments optiques
DE4123828C2 (de) * 1991-07-18 1997-06-19 Balluff Gebhard Feinmech Berührungslos arbeitender Näherungsschalter
US5522167A (en) 1993-06-08 1996-06-04 Teetzel; James W. Switch apparatus
JP3440566B2 (ja) * 1993-11-08 2003-08-25 オムロン株式会社 近接スイッチ
DE19960420C1 (de) 1999-12-15 2000-12-28 Kronseder Peter Vorrichtung zur drahtlosen Aktivierung optisch/elektrischer Visierhilfsmittel bei Handfeuerwaffen
FR2807239B1 (fr) * 2000-03-31 2006-06-16 Schneider Electric Ind Sa Detecteur de proximite a apprentissage
FR2834075B1 (fr) * 2001-12-26 2004-02-06 Schneider Electric Ind Sa Detecteur comportant des moyens de dialogue deportes
EP1623181A2 (fr) 2003-04-07 2006-02-08 Insight Technology Incorporated Dispositifs commandes a distance pour une arme et commande a distance associee
DE102004023556B4 (de) 2004-05-13 2013-10-31 S.A.T. Swiss Arms Technology Ag Visiervorrichtung für eine Schußwaffe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109488197A (zh) * 2018-11-09 2019-03-19 上海容之自动化系统有限公司 Tmr磁电阻传感器防夹机构

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DE102008021732A1 (de) 2009-11-05
EP2113737A3 (fr) 2013-09-04
EP2113737A2 (fr) 2009-11-04

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