WO2016113437A1 - Système de détection de cartouche dans la culasse pour armes à feu - Google Patents

Système de détection de cartouche dans la culasse pour armes à feu Download PDF

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Publication number
WO2016113437A1
WO2016113437A1 PCT/ES2015/070024 ES2015070024W WO2016113437A1 WO 2016113437 A1 WO2016113437 A1 WO 2016113437A1 ES 2015070024 W ES2015070024 W ES 2015070024W WO 2016113437 A1 WO2016113437 A1 WO 2016113437A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrical contact
cartridge
detection system
chamber
cartridge detection
Prior art date
Application number
PCT/ES2015/070024
Other languages
English (en)
Spanish (es)
Inventor
Raúl DELGADO ACARRETA
Diego Lorente Algora
Andrés YAGO LOSCOS
Rubén ROBLES PÉREZ
Óscar Jiménez Navascués
Original Assignee
Rade Tecnologías, S. L.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rade Tecnologías, S. L. filed Critical Rade Tecnologías, S. L.
Priority to PCT/ES2015/070024 priority Critical patent/WO2016113437A1/fr
Priority to PCT/ES2016/070017 priority patent/WO2016113455A1/fr
Priority to ES16710251T priority patent/ES2714596T3/es
Priority to US15/544,182 priority patent/US20170370665A1/en
Priority to EP16710251.6A priority patent/EP3246653B1/fr
Publication of WO2016113437A1 publication Critical patent/WO2016113437A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/53—Charged-condition indicators, i.e. indicating the presence of a cartridge in the cartridge chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/61—Magazines
    • F41A9/62—Magazines having means for indicating the number of cartridges left in the magazine, e.g. last-round indicators

Definitions

  • the present invention relates to a chamber cartridge detection system for firearms that is independent from situations where the user comes into contact with metal parts of the weapon or situations where there is no such contact, to provide a reliable signal from the firearm. presence or not of the cartridge in the breech.
  • the object of the present invention is a chamber cartridge detection system for firearms comprising means for, through a supply voltage, determining the variation of the load capacity between two possible states of the system, when there is no cartridge in the chamber and when there is a cartridge in the chamber, making use of two electrodes, regardless of the grip carried out by the user.
  • the system described in the above patent comprises a comparator circuit for detecting the presence of a cartridge, and in particular for detecting ammunition that can be fired electrically.
  • the circuit is formed by the contacts between the electrodes and a cartridge. If the cartridge is present between the two electrodes, the current from one of the electrodes, which may be a trigger pin, is transmitted through the cartridge to the second electrode, which may be the gun barrel.
  • the measurement of the impedance can be affected by the presence of the user, since the measurement can be falsified depending on whether the user comes into contact with metal parts of the weapon or not.
  • the chamber cartridge detection system for firearms of the present invention has a configuration that allows to solve all the previous drawbacks by providing a system that is independent of the situation where the user comes into contact with metal parts of the weapon or not.
  • the present invention refers to a chamber cartridge detection system for firearms that is independent from situations where the user comes into contact with metallic parts of the weapon or situations where there is no such contact, to provide a reliable signal of the presence or not of a cartridge in a chamber of the weapon.
  • the chamber cartridge detection system for firearms comprises a first electric contact optionally arranged in a handguard of the weapon that is connected by a sensor circuit to a microprocessor, where the first electrical contact is also optionally arranged in the longitudinal direction from the bedroom.
  • the chamber cartridge detection system for firearms also comprises a second electrical contact arranged in the chamber, where the first electrical contact is in contact with the second electrical contact, where the second electrical contact is isolated with respect to the chamber. through some means of isolation.
  • the second electrical contact comes into contact with a cartridge cap when said cartridge is in the chamber, leaving both elements, cartridge and second electrical contact, and consequently the metal parts of the weapon that are in contact with the cartridge, electrically connected through the connection between the first electrical contact and the second electrical contact.
  • the microprocessor through the sensor circuit detects the capacitive variation between the situation in which the system comprises the first electrical contact, the second electrical contact, the metal parts of the weapon and the cartridge cap and the situation in which the system comprises the first electrical contact and the second electrical contact, thus making it possible to determine the presence or absence of the cartridge in the chamber respectively.
  • the electrical capacity associated with the sensor circuit in the situation in which the system comprises the first electrical contact and the second electrical contact is very small in comparison with the electrical capacity associated with the situation in which the system comprises the first electrical contact, the second electrical contact and the metallic parts of the weapon.
  • the sensor circuit allows converting the capacitive variation into a voltage variation.
  • the microprocessor When the system tries to detect if there is a cartridge in the chamber, the microprocessor generates a signal with which the capacity of the sensor circuit is loaded, which in turn depends on the state of the system and the capacity variations of the sensor circuit can be measured.
  • the second electrical contact is arranged inclined with respect to the longitudinal direction of the breech, so that it serves as a transition between the flange of the cartridge and the hand guard, without having to extend the length of the handguard. Furthermore, since the second electrical contact is inclined, contact is favored due to the component in the horizontal direction that transmits the second electrical contact to the first electrical contact disposed in the longitudinal direction of the breech when the cartridge cap comes into contact with the second electrical contact.
  • the means for isolating the second electrical contact with respect to the chamber allow the second electrical contact to be isolated from the metal parts of the weapon, especially the chamber, so that the capacitive variation is independent of situations where the user comes into contact with the chamber. metallic parts of the weapon or situations where there is no such contact, providing a reliable signal of the presence or absence of the cartridge in the chamber.
  • Figure 1 shows an exploded perspective view of the breech, the barrel, the second electrical contact together with the isolation means of the breech cartridge detection system for firearms of the present invention.
  • Figure 2 shows a sectional view of the chamber to which the barrel and the second electrical contact have been coupled together with the isolation means of the chamber cartridge detection system for firearms of the present invention.
  • Figure 3 shows a detailed view of the second electrical contact together with the isolation means shown in Figure 2.
  • Figure 4 shows a perspective view of the handguard of the chamber cartridge detection system for firearms of the present invention.
  • Figure 5 shows an exploded perspective view of the handguard of the breech cartridge detection system for firearms of the present invention.
  • the system comprises a first electrical contact (1) arranged in a handguard (2) of the weapon that is connected by a sensor circuit to a microprocessor (3) powered by a battery (4), both arranged in the handguard (2), where the first electrical contact (1) is arranged in the direction longitudinal of a chamber (5) of the weapon.
  • the system also comprises a second electrical contact (6) arranged in the chamber (5) inclined with respect to its longitudinal direction, where the first electrical contact (1) is in contact with the second electrical contact (6), in addition of insulation means (7) of the second electrical contact (6) with respect to said breech (5).
  • the insulation means (7) of the second electrical contact (6) with respect to said chamber (5) comprise an externally threaded rod for carrying out its attachment to the chamber (5), where the inside of the stem is hollow for housing of the second electrical contact (6).
  • the second electrical contact (6) comes into contact with a bushing (9) of a cartridge (10) when said cartridge (10) is in the breech (5), leaving both elements, cartridge (10) and second electrical contact ( 6), and consequently the metal parts of the weapon that are in contact with the cartridge (10), preferably the breech (5) and a barrel (11), electrically connected through the connection between the first electrical contact (1). ) and the second electrical contact (6).
  • the microprocessor (3) generates a signal with which the capacity of the sensor circuit is loaded, which in turn depends on the state of the system to measure the capacitive variation between the situation in which the system comprises the first electrical contact (1), the second electrical contact (6), the metal parts of the weapon (5, 11) and the cap (9) of the cartridge (10) and the situation in which the system comprises the first electrical contact (1) and the second electrical contact ( 6), thereby allowing the presence or absence of the cartridge (10) to be determined in the breech (5) respectively.
  • the microprocessor (3) When the system tries to detect if there is a cartridge (10) in the breech (5), the microprocessor (3) generates a preferentially squared signal of pre-set frequency with which the capacity of the sensor circuit is loaded to measure the variations of it.
  • the square signal attacks, through a diode (not shown), the capacity of the sensor circuit that varies depending on the presence or absence of the cartridge (10) in the breech (5).
  • the system of the present invention through the microprocessor (3), captures the voltage provided by the sensor circuit, which is compared with a threshold voltage of the system to detect the presence of the cartridge (10) in the breech (5).
  • the microprocessor (3) comprises a temperature sensor (not shown) that measures the temperature at each reading and performs temperature compensation throughout the operating range.
  • the system comprises a direct current to DC (DC / DC step-up) converter (not shown) to stabilize the input voltage and make it unchanged from the state of charge of the battery (4).
  • DC / DC step-up direct current to DC
  • the system uses a high operating frequency, around 20 MHz, which makes it possible to discern the presence or absence of cartridge (10) in breech (5) even in conditions of short circuit by fresh water between the second electrical contact (6) and the bedroom (5).
  • the system further comprises an electrostatic protection device (not shown) against residual currents, since the second electrical contact (6) is in contact with the metal parts of the weapon (5, 11), which are accessible by the user, when the cartridge (10) is present in the breech (5).
  • an electrostatic protection device (not shown) against residual currents, since the second electrical contact (6) is in contact with the metal parts of the weapon (5, 11), which are accessible by the user, when the cartridge (10) is present in the breech (5).
  • the system has a response time of less than 1 ms to determine whether the cartridge (10) is present in the chamber (5) or not.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Electronic Switches (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Battery Mounting, Suspending (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)

Abstract

L'invention concerne un système de détection de cartouche dans la culasse pour armes à feu qui comprend un premier contact électrique (1) qui est relié au moyen d'un circuit de détection à un microprocesseur (3), et un second contact électrique (6) disposé dans une chambre (5) de l'arme; le premier contact électrique (1) étant en contact avec le second contact électrique (6), le second contact électrique (6) entrant en contact un étui (9) d'une cartouche (10) lorsque ladite cartouche (10) est dans la chambre (5), les deux éléments, la cartouche (10) et le second contact électrique (6), et par conséquent les parties métalliques de l'arme (5, 11) qui sont en contact avec la cartouche (10), restant reliés électriquement par l'intermédiaire de la connexion entre le premier contact électrique (1) et le second contact électrique (6), le microprocesseur (3) générant un signal à l'aide duquel est chargée la capacité du circuit de détection, qui à son tour dépend de l'état du système pour mesurer la variation capacitive, ce qui permet de déterminer ainsi respectivement la présence ou l'absence de la cartouche (10) dans la chambre (5)
PCT/ES2015/070024 2015-01-16 2015-01-16 Système de détection de cartouche dans la culasse pour armes à feu WO2016113437A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/ES2015/070024 WO2016113437A1 (fr) 2015-01-16 2015-01-16 Système de détection de cartouche dans la culasse pour armes à feu
PCT/ES2016/070017 WO2016113455A1 (fr) 2015-01-16 2016-01-15 Système de détection de cartouche dans une chambre d'armes à feu
ES16710251T ES2714596T3 (es) 2015-01-16 2016-01-15 Sistema de detección de cartucho en recámara para armas de fuego
US15/544,182 US20170370665A1 (en) 2015-01-16 2016-01-15 Cartridge-in-chamber detection system for firearms
EP16710251.6A EP3246653B1 (fr) 2015-01-16 2016-01-15 Système de détection de cartouche dans une chambre d'armes à feu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2015/070024 WO2016113437A1 (fr) 2015-01-16 2015-01-16 Système de détection de cartouche dans la culasse pour armes à feu

Publications (1)

Publication Number Publication Date
WO2016113437A1 true WO2016113437A1 (fr) 2016-07-21

Family

ID=52774272

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/ES2015/070024 WO2016113437A1 (fr) 2015-01-16 2015-01-16 Système de détection de cartouche dans la culasse pour armes à feu
PCT/ES2016/070017 WO2016113455A1 (fr) 2015-01-16 2016-01-15 Système de détection de cartouche dans une chambre d'armes à feu

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/ES2016/070017 WO2016113455A1 (fr) 2015-01-16 2016-01-15 Système de détection de cartouche dans une chambre d'armes à feu

Country Status (4)

Country Link
US (1) US20170370665A1 (fr)
EP (1) EP3246653B1 (fr)
ES (1) ES2714596T3 (fr)
WO (2) WO2016113437A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10156407B2 (en) 2016-07-11 2018-12-18 Rade Tecnologías, S.L. Cartridge-in-chamber detection system for firearms
US10197349B2 (en) 2017-01-16 2019-02-05 Rade Tecnologias, S.L. Cartridge-in-chamber detection system for weapons

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11885582B1 (en) * 2023-04-13 2024-01-30 Areg Alex Pogosyan Firearm safety device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0276843A2 (fr) * 1987-01-28 1988-08-03 Colt Industries Inc Système de tir électronique pour un pistolet
US5755056A (en) 1996-07-15 1998-05-26 Remington Arms Company, Inc. Electronic firearm and process for controlling an electronic firearm
US20080039962A1 (en) * 2006-05-23 2008-02-14 Mcrae Michael W Firearm system for data acquisition and control

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
GB8912522D0 (en) * 1989-05-26 1989-07-19 Coin Controls Coin discrimination apparatus with temperature compensation
US5244070A (en) * 1992-03-04 1993-09-14 Duncan Industries Parking Control Systems Corp. Dual coil coin sensing apparatus
US6321478B1 (en) * 1998-12-04 2001-11-27 Smith & Wesson Corp. Firearm having an intelligent controller
EP1790988B1 (fr) * 2005-11-29 2017-01-18 STMicroelectronics Srl Circuit de détection dans une interface de détection utilisant un capteur capacitif différentiel avec contrôle du mode commun à l'entrée
US8109023B2 (en) * 2006-11-15 2012-02-07 Dov Pikielny Shot counter
TW201227753A (en) * 2010-12-28 2012-07-01 British Virgin Islands Central Digital Inc Sensor temperature compensation circuit and method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0276843A2 (fr) * 1987-01-28 1988-08-03 Colt Industries Inc Système de tir électronique pour un pistolet
US5755056A (en) 1996-07-15 1998-05-26 Remington Arms Company, Inc. Electronic firearm and process for controlling an electronic firearm
US20080039962A1 (en) * 2006-05-23 2008-02-14 Mcrae Michael W Firearm system for data acquisition and control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10156407B2 (en) 2016-07-11 2018-12-18 Rade Tecnologías, S.L. Cartridge-in-chamber detection system for firearms
US10197349B2 (en) 2017-01-16 2019-02-05 Rade Tecnologias, S.L. Cartridge-in-chamber detection system for weapons

Also Published As

Publication number Publication date
ES2714596T3 (es) 2019-05-29
US20170370665A1 (en) 2017-12-28
EP3246653A1 (fr) 2017-11-22
EP3246653B1 (fr) 2018-12-05
WO2016113455A1 (fr) 2016-07-21
WO2016113455A4 (fr) 2016-09-09

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