EP0800053A1 - Vorrichtung zum Testen der Wirkungsweise einer Abschussvorrichtung für Munitionen - Google Patents

Vorrichtung zum Testen der Wirkungsweise einer Abschussvorrichtung für Munitionen Download PDF

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Publication number
EP0800053A1
EP0800053A1 EP97400518A EP97400518A EP0800053A1 EP 0800053 A1 EP0800053 A1 EP 0800053A1 EP 97400518 A EP97400518 A EP 97400518A EP 97400518 A EP97400518 A EP 97400518A EP 0800053 A1 EP0800053 A1 EP 0800053A1
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EP
European Patent Office
Prior art keywords
test
test device
measurement
launcher
energy
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
Application number
EP97400518A
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English (en)
French (fr)
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EP0800053B1 (de
Inventor
Jérôme Loison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giat Industries SA
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Giat Industries SA
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Publication date
Application filed by Giat Industries SA filed Critical Giat Industries SA
Publication of EP0800053A1 publication Critical patent/EP0800053A1/de
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Publication of EP0800053B1 publication Critical patent/EP0800053B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/58—Electric firing mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B35/00—Testing or checking of ammunition

Definitions

  • the technical field of the invention is that of devices making it possible to test the proper functioning of an ammunition launcher.
  • launch tubes are frequently used to deploy ammunition such as smoke or anti-personnel grenades.
  • These launch tubes generally carry electrical energy supply means which cooperate with electrical energy receiving means carried by the munition.
  • These means could for example be electrical contacts or an inductive system (such as that described by patent FR2438820) or even a capacitive system (as described by patent FR2593908).
  • the energy supply means conduct an electric current to the munition intended in particular to ignite a propellant charge for ejecting the munition from the tube.
  • the firing trigger implements a current whose intensity must be (for safety reasons) of at least 3 amperes for at least 15 milliseconds.
  • the known control means use intensity measurement benches which are bulky, costly and difficult to use by untrained personnel.
  • test device allows a simple, rapid and reliable verification of the proper functioning of the launcher.
  • the subject of the invention is a device making it possible to test the proper functioning of a launcher consisting of a tube capable of receiving ammunition and inside which are arranged means for supplying electrical energy to the ammunition intended in particular to allow its ignition, this device is characterized in that it is constituted by a body having substantially the shape of an ammunition and comprising means for receiving electrical energy cooperating with the means for supplying energy to the launcher tube , receiving means connected to a test electronics placed inside the body.
  • test electronics are supplied with energy by the launcher tube through energy receiving means.
  • test electronics can comprise at least one capacity which is charged with energy by the launcher, capacity ensuring the electrical supply of the test device.
  • the test electronics comprises at least a first measurement channel making it possible to verify that the intensity of the current received from the launcher tube during ignition is greater than a minimum intensity for a minimum duration.
  • the test electronics comprises at least a second measurement channel making it possible to verify that the intensity which is received from the launcher tube permanently outside of the firing is less than a maximum intensity.
  • test electronics comprise an electronic power switch making it possible to switch the current supplied by the means for receiving electrical energy to one or the other of the measurement channels.
  • the closing time of the power switch will be chosen at least equal to the minimum duration.
  • the device advantageously comprises a manual switch, carried by the body of the device, and making it possible to select one or the other of the measurement channels.
  • the results of the measurements can be given by a display secured to the body.
  • the test device may include a sequencer ensuring the sequencing of the switching, measurement and display operations of the measurement result.
  • test device 1 according to the invention is shown in place in a launcher tube 2 of ammunition.
  • the launcher tube 2 is integral with a wall 3 of an armored vehicle and it is closed at its rear part by a bottom 4 (screwed or welded to the tube) which carries means 5 for supplying electrical energy.
  • These means are constituted here by a coaxial connector comprising a central pin 5a and a peripheral ring 5b, separated by an insulator 5c.
  • Such a connector is shown here for information only because it does not constitute the subject of the invention.
  • the test device 1 has the external shape and the size of a real munition, which facilitates its storage and handling.
  • It is constituted by a body comprising a tubular envelope 6 closed by a cover 7 and a base 8, fixed to the envelope 6 for example by screws (not shown).
  • the base 8 carries electrical energy receiving means 9 which are intended to cooperate with the energy supply means 5 of the launcher tube.
  • These means are here constituted by a coaxial connector having a central pin 9a and a peripheral ring 9b separated by an insulator 9c.
  • test device In the case of inductive transmission means, the test device would carry a receiving coil which would be in inductive coupling with the emitting coil of the launcher tube.
  • the cover 7 carries a manual switch with two positions 10, as well as a means for displaying the result of the test, means constituted here by two indicator lights 11a, 11b (LEDs) of different colors (Green and Red).
  • the cover 7 is set back inside the envelope 6, this in order to ensure the protection of the manual switch 10 and of the displays 11a, 11b.
  • the body of the test device contains an electronic card carrying an electronic test circuit 12 which is connected to the contacts 9a, 9b of the connector 9 by the conductors 14a, 14b as well as to the manual switch 10 and to the LEDs 11a, 11b.
  • All the free space inside the body of the device is filled with an insulating and damping plastic material 13 such as a coating resin.
  • the filling material is poured into the envelope 6 after positioning the circuit 12 and setting up the electrical connections.
  • the cover 7 is then fixed to the envelope by an appropriate connecting means, not shown (for example screws).
  • FIG. 2 is a block diagram of the electronic test circuit 12.
  • One of the contacts 9b is the point common to the whole of the circuit, the other contact 9a supplies a capacitor 15 which is intended to supply energy to the whole of the circuit 12.
  • the test device does not contain any energy source (battery, battery) liable to degrade or discharge during storage.
  • the energy necessary for the operation of the circuits is borrowed from the on-board network of the vehicle at the time of the test and stored in capacity 15.
  • the test circuit includes a first measurement channel 16 and a second measurement channel 17.
  • the current supplied by the contacts is applied to a power switch 18 which has the function of switching the current supplied by the contacts in one or the other of the measurement channels during the time necessary for the measurement.
  • This switch is constituted for example by a power transistor.
  • Each measurement channel 16, 17 is constituted by a current sensor of known type which measures the intensity by measuring the voltage across a calibrated resistor.
  • These sensors are controllable by a control signal which triggers the start of the measurement and they supply a voltage representative of the measured intensity.
  • the first measurement channel 16 is intended to measure the firing current (I) which, to be sufficient (to allow the firing of the ammunition) must be greater than a minimum intensity Im (of the order of 3 amps) for a minimum duration Tm (of the order of 15 milliseconds).
  • a first comparator 21 makes it possible to compare the measured value with a setpoint supplied by a voltage reference circuit 20 which is composed for example of a voltage reference diode associated with a potentiometric divider.
  • the duration Tm of the measurement is obtained by a sequencer 19 of known type which includes a quartz oscillator and a counter.
  • the signal resulting from the comparison between the measurement and the setpoint is sampled by the oscillator of the sequencer 19 to increment a counter 25, the sampling will for example be carried out using an AND logic gate.
  • the counter therefore increments at each clock slot only if the comparator supplies a logic signal "1" signifying that the measured current is correct.
  • one of the outputs of the counter 25 is used which goes to a logic level "1" for a sufficient counting level taking into account the duration Tm (therefore when the measured current has been correct for the duration Tm).
  • the display circuit 22 is controlled by the sequencer 19 and it switches on one or other of the Led displays (11a or 11b) according to the signal supplied by the counter 25 at the end of the duration measurement Tm (level "1" supplied by the counter 25 controls the lighting of the green LED, the signal "0", the lighting of the red Led).
  • the second measurement channel 17 has a similar operation. It is intended to measure the safety current which circulates in the ammunition when it is put in place in the tube and when firing is not requested. To be correct (do not cause inadvertent ignition) this current (i) must not exceed a maximum value i M (i M of the order of 100 milliamps).
  • Another voltage reference circuit 23 potentiometric mounting) generates a voltage setpoint which is an image of the value of the maximum current iM.
  • a second comparator 24 compares this value with the value measured by the measurement circuit 17 and provides a signal which is sampled by the oscillator of the sequencer 19 to increment the counter 25, which delivers the control signal from the display circuit 22.
  • the power switch 18, as well as the measurement channels 16 and 17 and the display circuit 22, are controlled by the sequencer 19 which, like a microprocessor, ensures the sequencing of the various operations.
  • FIG. 3a is a timing diagram which represents the temporal sequence of operations when the first measurement channel is chosen.
  • the user who installed the ammunition can first of all check that the vehicle's electrical circuit detects the presence of the test ammunition (lighting of an "ammunition presence” indicator on his control console).
  • test circuit 16 After approximately 550 milliseconds (time necessary for the stabilization of the internal functions), the test circuit 16, controlled by the sequencer 19, performs the measurement (slot 27).
  • the display of the red or green LED is controlled by the sequencer 19 (slot 28).
  • This display persists for 1 to 2 seconds after the release of the firing button. This duration corresponds to the discharge of the capacitor 15 in the display members (Led 11a or 11b).
  • FIG. 3b is a timing diagram which represents the temporal sequence of operations when the second measurement channel is chosen.
  • the user has positioned the manual switch 10 in the position corresponding to the measurement of the safety current.
  • the device then uses the energy supplied by the launch tube to charge the capacity 15.
  • test circuit 17, controlled by the sequencer 19 performs the measurement of the safety current (slot 30), and this for a measurement duration Tm.
  • the release of the button is detected by another comparator circuit (not shown in the diagram in FIG. 2) and which detects the disappearance of the energy supplied by the launch tube.
  • the display of the red or green LED is controlled by the sequencer 19 (slot 31).
  • the display persists for a certain period corresponding to the discharge of the capacitor 15 in the display members (LED 11a or 11b).
  • test device allows all the launcher test operations to be carried out in an extremely simple manner.
  • the only action required of the operator is to press the firing button, both for testing the firing current and for the safety current.
  • the test device is implemented like normal ammunition and is not more bulky than this one, which allows it to be carried in all vehicles.
  • test device comprising only one measurement channel (for example the firing current).

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Eye Examination Apparatus (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
EP97400518A 1996-04-02 1997-03-07 Vorrichtung zum Testen der Wirkungsweise einer Abschussvorrichtung für Munitionen Expired - Lifetime EP0800053B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604115A FR2746911B1 (fr) 1996-04-02 1996-04-02 Dispositif de test de fonctionnement d'un lanceur de munitions
FR9604115 1996-04-02

Publications (2)

Publication Number Publication Date
EP0800053A1 true EP0800053A1 (de) 1997-10-08
EP0800053B1 EP0800053B1 (de) 2001-11-07

Family

ID=9490815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97400518A Expired - Lifetime EP0800053B1 (de) 1996-04-02 1997-03-07 Vorrichtung zum Testen der Wirkungsweise einer Abschussvorrichtung für Munitionen

Country Status (4)

Country Link
EP (1) EP0800053B1 (de)
AT (1) ATE208487T1 (de)
DE (1) DE69707953T2 (de)
FR (1) FR2746911B1 (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103357137A (zh) * 2013-07-25 2013-10-23 成都陵川特种工业有限责任公司 用于检测灭火发射器的装置
CN103357138A (zh) * 2013-07-25 2013-10-23 成都陵川特种工业有限责任公司 一种灭火发射器的检测座
RU2518678C1 (ru) * 2013-03-26 2014-06-10 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпасов и устройство для его осуществления
RU2519617C1 (ru) * 2013-03-12 2014-06-20 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпасов и устройство для его осуществления
RU2519618C1 (ru) * 2013-02-19 2014-06-20 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпаса и устройство для его осуществления
RU2519615C1 (ru) * 2013-02-12 2014-06-20 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпаса и устройство для его осуществления
RU2519608C1 (ru) * 2013-02-13 2014-06-20 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпаса и устройство для его осуществления
RU2519611C1 (ru) * 2013-02-26 2014-06-20 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпасов и устройство для его осуществления
RU2521460C1 (ru) * 2013-04-18 2014-06-27 Сергей Михайлович Мужичек Способ определения зажигательной способности боеприпаса дистанционного действия и устройство для его осуществления
RU2521932C1 (ru) * 2013-04-05 2014-07-10 Сергей Михайлович Мужичек Способ определения пробивного действия осколков боеприпасов и устройство для его осуществления
RU2593046C2 (ru) * 2011-03-29 2016-07-27 Динаэнерджетикс Гмбх Унд Ко. Кг Упаковка для кумулятивных зарядов

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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CN110749253B (zh) * 2019-10-24 2021-11-30 中国人民解放军32181部队 导弹测试系统用导弹性能测试单元
RU2758161C1 (ru) * 2021-03-22 2021-10-26 Федеральное государственное бюджетное образовательное учреждение высшего образования «Амурский государственный университет» Универсальный имитатор транспортно-пускового контейнера для поведения вибродинамических испытаний спутников стандарта CubeSat
DE102021107186A1 (de) 2021-03-23 2022-09-29 Krauss-Maffei Wegmann Gmbh & Co. Kg Wurfkörpernachbildung
CN116379846B (zh) * 2023-06-06 2023-09-05 北京星河动力装备科技有限公司 火箭的飞行时序验证设备以及系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374429A (en) * 1964-05-15 1968-03-19 Navy Usa Bridge circuit for determining the thermal parameters of bridgewires used in electro-explosive devices
US3562640A (en) * 1969-01-15 1971-02-09 Us Army Apparatus for testing exploding bridgewire ordnance devices for continuity and shorts
GB2238858A (en) * 1989-12-08 1991-06-12 Rheinmetall Gmbh Test firing of shells
US5050501A (en) * 1991-01-07 1991-09-24 The United States Of America As Represented By The Secretary Of The Army Projected grenade simulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374429A (en) * 1964-05-15 1968-03-19 Navy Usa Bridge circuit for determining the thermal parameters of bridgewires used in electro-explosive devices
US3562640A (en) * 1969-01-15 1971-02-09 Us Army Apparatus for testing exploding bridgewire ordnance devices for continuity and shorts
GB2238858A (en) * 1989-12-08 1991-06-12 Rheinmetall Gmbh Test firing of shells
US5050501A (en) * 1991-01-07 1991-09-24 The United States Of America As Represented By The Secretary Of The Army Projected grenade simulator

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2593046C2 (ru) * 2011-03-29 2016-07-27 Динаэнерджетикс Гмбх Унд Ко. Кг Упаковка для кумулятивных зарядов
US9945651B2 (en) 2011-03-29 2018-04-17 Dynaenergetics Gmbh & Co. Kg Packing for hollow charges
RU2519615C1 (ru) * 2013-02-12 2014-06-20 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпаса и устройство для его осуществления
RU2519608C1 (ru) * 2013-02-13 2014-06-20 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпаса и устройство для его осуществления
RU2519618C1 (ru) * 2013-02-19 2014-06-20 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпаса и устройство для его осуществления
RU2519611C1 (ru) * 2013-02-26 2014-06-20 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпасов и устройство для его осуществления
RU2519617C1 (ru) * 2013-03-12 2014-06-20 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпасов и устройство для его осуществления
RU2518678C1 (ru) * 2013-03-26 2014-06-10 Сергей Михайлович Мужичек Способ определения характеристик осколочного поля боеприпасов и устройство для его осуществления
RU2521932C1 (ru) * 2013-04-05 2014-07-10 Сергей Михайлович Мужичек Способ определения пробивного действия осколков боеприпасов и устройство для его осуществления
RU2521460C1 (ru) * 2013-04-18 2014-06-27 Сергей Михайлович Мужичек Способ определения зажигательной способности боеприпаса дистанционного действия и устройство для его осуществления
CN103357137A (zh) * 2013-07-25 2013-10-23 成都陵川特种工业有限责任公司 用于检测灭火发射器的装置
CN103357138A (zh) * 2013-07-25 2013-10-23 成都陵川特种工业有限责任公司 一种灭火发射器的检测座

Also Published As

Publication number Publication date
EP0800053B1 (de) 2001-11-07
DE69707953D1 (de) 2001-12-13
FR2746911A1 (fr) 1997-10-03
ATE208487T1 (de) 2001-11-15
DE69707953T2 (de) 2002-05-29
FR2746911B1 (fr) 1998-05-22

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