EP3015813B1 - Vorrichtung zur thermischen tarnung, und fahrzeug, das eine solche vorrichtung umfasst - Google Patents

Vorrichtung zur thermischen tarnung, und fahrzeug, das eine solche vorrichtung umfasst Download PDF

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Publication number
EP3015813B1
EP3015813B1 EP15191991.7A EP15191991A EP3015813B1 EP 3015813 B1 EP3015813 B1 EP 3015813B1 EP 15191991 A EP15191991 A EP 15191991A EP 3015813 B1 EP3015813 B1 EP 3015813B1
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EP
European Patent Office
Prior art keywords
pipes
manifold
thermal
vehicle
pipe
Prior art date
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Application number
EP15191991.7A
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English (en)
French (fr)
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EP3015813A1 (de
Inventor
Michel Brun
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.)
Nexter Systems SA
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Nexter Systems SA
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Publication date
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Priority to SI201530087T priority Critical patent/SI3015813T1/sl
Publication of EP3015813A1 publication Critical patent/EP3015813A1/de
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Publication of EP3015813B1 publication Critical patent/EP3015813B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H3/00—Camouflage, i.e. means or methods for concealment or disguise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05325—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F11/00—Arrangements for sealing leaky tubes and conduits
    • F28F11/06—Arrangements for sealing leaky tubes and conduits using automatic tube obturating appliances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/16—Safety or protection arrangements; Arrangements for preventing malfunction for preventing leakage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2270/00—Thermal insulation; Thermal decoupling

Definitions

  • the technical field of the invention is that of thermal camouflage devices fixed on the walls of a vehicle.
  • each panel has in its upper part a first heat transfer fluid collector through which the fluid enters the panel.
  • a second fluid collector for recovering the fluid from the first collector.
  • Each manifold is connected to the other by pipes parallel to each other in which the heat transfer fluid flows from the first manifold to the second manifold.
  • the manifolds are connected to means for cooling or heating the fluid located on board the vehicle as well as means for circulating the fluid.
  • the fluid will enter the first manifold at a temperature expected to represent the thermal environment of the vehicle and flow into the pipes, thus masking the signature of the vehicle.
  • the invention aims to solve this problem of thermal discretion by providing a homogeneous masking.
  • the invention relates to an infrared camouflage device comprising a network of parallel pipes carrying a coolant intended to modify the thermal signature of a vehicle, characterized in that it comprises a supply manifold at which the heat transfer fluid enters.
  • a second series of second pipes conveys the heat transfer fluid from the intermediate manifold to an outlet manifold for discharging the fluid out of the device, second pipes which are secured to the intermediate manifold by their first end and the outlet manifold by their second end, each first pipe being located in the vicinity of a second Anlagention so as to form at the device an alternation of first and second parallel pipes, the supply manifold and the outlet manifold being adjacent to one another.
  • the distribution of the pipes and collectors is substantially in the same plane and makes it possible to give the device the shape of a panel.
  • the pipes and collectors are embedded in a substrate that homogenizes the thermal signature of the device.
  • the substrate has two walls between which are located the pipes, the first wall is intended to be oriented towards an external face of the vehicle and comprises a material promoting thermal insulation, a reflecting film of low thermal emissivity is disposed on the face of this wall intended to be oriented towards the vehicle, the second wall comprises a heat conduction promoting material and the face of this second wall which is oriented towards the outside of the vehicle comprises a conductive metal film.
  • the material of the first wall promoting thermal insulation comprises polyurethane foam.
  • the material of the second wall promoting thermal conduction comprises an aluminum alloy.
  • each end of each pipe may include a check valve tared so as to close the pipe in case of rupture thereof.
  • each valve may comprise a spring plate located in a collector and secured by one of its edges near the end of the pipe to be closed.
  • the invention also relates to a military vehicle comprising at least one thermal camouflage device according to the invention and a means of thermal regulation of a heat-transfer fluid and circulation of this fluid, thermal regulation and circulation means connected to the device of the invention.
  • thermal camouflage which is disposed on at least one outer face of the vehicle.
  • a military vehicle 100 has, on its outer vertical walls 101, at least one camouflage device 1 according to the invention, intended to camouflage parts of the vehicle 100 which emit infrared radiation cutting with the thermal signature of the rest of the vehicle and the 'environment.
  • the vehicle has on a side wall two devices 1 in the form of panels.
  • a camouflage device 1 is connected to a circuit 2 for transporting heat transfer fluid located on board the vehicle.
  • the circuit 2 incorporates means (not shown) allowing a pressurized circulation of the fluid 20 in the device 1 as well as means (not shown) for regulating the temperature of the fluid (air conditioning unit).
  • the coolant 20 may for example be a mixture of glycol and water.
  • the circuit 2 arrives at a supply manifold 3 of the device 1.
  • This collector as all those mentioned in the following text is a tubular structure, for example metal or plastic material for more lightness.
  • This supply manifold 3 is connected to a first series of first pipes 4 parallel to each other.
  • the first pipes 4 of this first series are connected by their first ends 4a to the supply manifold 3 so as to transport the coolant 20 into an intermediate manifold 5.
  • a second series of second pipes 6, which are parallel to the first pipes 4, is connected to the intermediate manifold 5 by the first ends 6a of the second pipes 6.
  • the second ends 6b of the second pipes 6 of the second series are connected to an outlet manifold 7 so as to convey the coolant 20 of the intermediate manifold 5 into the outlet manifold 7.
  • the outlet manifold 7 is connected to the transport circuit of fluid 2.
  • the first pipes 4 are distributed equally over the length of the collectors 3 and 5.
  • the second pipes 6 are distributed equally over the entire length of the collectors.
  • the pipes 4 and 6 thus arranged form an alternation of first and second pipes 4 and 6.
  • Each line 4 or 6 will therefore be traversed by a flow of fluid flowing in the opposite direction to the flow of the adjacent pipe 4 or 6.
  • the supply manifold 3 is located in the vicinity of the outlet manifold 7.
  • the coolant 20 will, depending on the desired effect, either absorb or restore calories to the pipes and collectors of the device, calories that will be released into the external environment.
  • a first end 4a of a first pipe 4 will be much hotter than a second end 6b of a second pipe 6 located next to it. If we consider the device 1 as a whole, the alternating distribution of the first 4 and second 6 pipes and the arrangement of the supply manifolds 3 and outlet 7 in the vicinity of one another allows to distribute the temperature gradient homogeneously over the entire scope of the device 1, which allows not to have singularly hot parts and singularly cold parts.
  • figure 4 which represents a cross-section according to the plane AA identified at the figure 2 EXT exterior of the partition 101 of the vehicle (vehicle visible at the figure 1 ) has, at a distance and parallel to this partition 101, an infrared camouflage device 1 according to the invention.
  • the device 1 comprises an alternation of first 4 and second 6 channels embedded in the middle of a multilayer substrate 8 conferring a plane appearance to the device 1 and intended to promote the thermal homogeneity of the device 1.
  • the pipes 4 and 6 are located between two walls 9 and 10.
  • the first wall 9 located towards the partition 101 of the vehicle comprises an insulating material which may for example comprise a cellular polyurethane foam.
  • the face facing the vehicle of this first wall 9 comprises a film 11 of low thermal emissivity comprising for example metallized polyethylene having a reflective surface.
  • the second wall 10 facing the outside of the vehicle comprises a material promoting thermal conduction, for example an aluminum alloy.
  • the outer face 13 of this second wall comprises a heat-conducting metal film 13 such as an aluminum alloy film.
  • the first wall 9 and its film 11 have the function of avoiding caloric losses emitted towards the vehicle.
  • the second wall 10 and its metal film 13 have the function of homogeneously distributing the calories in the device in order to obtain a homogeneous thermal signature.
  • the metal film 13 may optionally be coated with a paint.
  • the collectors 3, 7 and 5 can also be incorporated in the substrate 8.
  • each duct 4 and 6 comprises in the vicinity of each of its ends 4a, 4b, 6a, 6b a valve 30.
  • This valve 30 comprises a spring tongue 30 secured to a from its edges, from the inside of a manifold 3, 7 or 5.
  • the tongue 30 is kept at a distance from the opening of each pipe and thus allows the circulation of fluid 20 between pipes 4 and 6 and collectors 3, 7 and 5.
  • This bending will be caused by the difference in local and momentary flow at the ends of the broken pipe 4c.
  • the bending will be maintained by the pressure difference between the interior of the device 1, where the fluid flows under a pressure greater than atmospheric pressure, and the external atmospheric pressure.
  • valves 30 may have a different structure, it suffices that it allows the passage of a fluid and its circulation stop according to the conditions previously stated, so a more sophisticated device can detect a loss of pressure in a pipe by means for example of pressure sensors located in each pipe.
  • the valves will then comprise automatically controlled valves disposed at each end of the pipes and can then be actuated so as to block the flow of fluid in the damaged pipe.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Body Structure For Vehicles (AREA)
  • Thermal Insulation (AREA)

Claims (9)

  1. Infrarot-Tarnvorrichtung (1) mit einem Netz von parallelen Kanälen (4 und 6), die ein Kühlmittel (20) transportieren, um die thermische Signatur eines Fahrzeugs zu verändern, wobei die Vorrichtung (1) dadurch gekennzeichnet ist, dass sie einen Zufuhrkollektor (3) umfasst, auf dessen Höhe das Kühlmittel (20) in die Vorrichtung (1) eintritt, um einem Zwischenkollektor (5) zugeführt zu werden, mittels einer ersten Reihe von ersten Kanälen (4), die durch ihr erstes Ende (4a) mit dem Zufuhrkollektor (3) verbunden sind und mit dem Zwischenkollektor (5) durch ihr zweites Ende (4b), eine zweite Reihe (6) von zweiten Kanälen (6a) befördert das Kühlmittel (20) von dem Zwischenkollektor (5) zu einem Ausgangskollektor (7), um das Fluid (20) nach außerhalb der Vorrichtung (1) abzuführen, zweite Kanäle (6), die mit dem Zwischenkollektor (5) durch ihr erstes Ende (6a) verbunden sind und mit dem Ausgangskollektor (7) durch ihr zweites Ende (6b), wobei jeder erste Kanal (4) in der Nähe eines zweiten Kanals (6) gelegen ist, um auf der Ebene der Vorrichtung (1) ein Abwechseln von ersten (4) und zweiten (6) parallelen Kanälen zu bilden, wobei der Zufuhr- (3) und der Ausgangskollektor (5) zueinander benachbart sind.
  2. Infrarot-Tarnvorrichtung (1) nach Anspruch 1, gekennzeichnet dadurch, dass die Verteilung der Kanäle (4, 6) und Kollektoren (3, 5, 7) im wesentlichen in derselben Ebene es gestattet, der Vorrichtung (1) die Form einer Platte zu geben.
  3. Infrarot-Tarnvorrichtung (1) nach einem der Ansprüche 1 oder 2, gekennzeichnet dadurch, dass die Kanäle (4, 6) und Kollektoren (3, 5, 7) in ein Substrat (8) eingebettet sind, das die thermische Signatur der Vorrichtung (1) homogenisiert.
  4. Infrarot-Tarnvorrichtung (1) nach Anspruch 3, gekennzeichnet dadurch, dass das Substrat (8) zwei Wände (9, 10) umfasst, zwischen denen die Kanäle liegen (4, 6), wobei die erste Wand (9) dazu bestimmt ist, zu einer Außenseite (101) des Fahrzeugs (100) ausgerichtet zu sein, und ein Material umfasst, das die thermische Isolierung begünstigt, wobei ein reflektierender Film (11) mit schwachem thermischem Emissionsgrad auf der Seite dieser Wand (9) angebracht ist, die dazu bestimmt ist, zu dem Fahrzeug hin ausgerichtet zu sein, wobei die zweite Wand (10) ein Material umfasst, das die Wärmeleitung begünstigt, und die Seite dieser zweiten Wand (10), die nach außerhalb des Fahrzeugs ausgerichtet ist, einen leitenden Metallfilm (13) umfasst.
  5. Infrarot-Tarnvorrichtung (1) nach Anspruch 4, gekennzeichnet dadurch, dass das Material der ersten Wand (9), das die thermische Isolierung begünstigt, Polyurethanschaumstoff umfasst.
  6. Infrarot-Tarnvorrichtung nach Anspruch 4, gekennzeichnet dadurch, dass das Material der zweiten Wand (10), das die Wärmeleitung begünstigt, eine Aluminiumlegierung umfasst.
  7. Infrarot-Tarnvorrichtung nach einem der Ansprüche 1 bis 6, gekennzeichnet dadurch, dass jedes Ende (4a,4b,6a,6b) jedes Kanals (4,6) ein Ventil (30) umfasst, das geeicht ist, um den Kanal (4,6) bei dessen Bruch zu verschließen.
  8. Infrarot-Tarnvorrichtung (1) nach Anspruch 7, gekennzeichnet dadurch, dass jedes Ventil (30) ein Federblatt (30) umfasst, das in einem Kollektor (3,5,7) gelegen ist und durch einen seiner Ränder mit der Nähe des Endes (4a,4b,6a,6b) des zu verschließenden Kanals (4,6) verbunden ist.
  9. Militärfahrzeug (100) mit mindestens einer thermischen Tarnvorrichtung (1) nach einem der vorherigen Ansprüche und einem Mittel zur thermischen Regelung eines Kühlmittels (20) und zum Umlauf dieses Kühlmittels (20), wobei das thermische Regelungs- und das Umlaufmittel mit der thermischen Tarnvorrichtung verbunden sind, die auf mindestens einer Außenseite (101) des Fahrzeugs (100) angeordnet ist.
EP15191991.7A 2014-10-30 2015-10-28 Vorrichtung zur thermischen tarnung, und fahrzeug, das eine solche vorrichtung umfasst Active EP3015813B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201530087T SI3015813T1 (sl) 2014-10-30 2015-10-28 Toplotna kamuflažna razporeditev in vozilo, ki vključuje tovrstno napravo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1402477A FR3028025B1 (fr) 2014-10-30 2014-10-30 Dispositif de camouflage thermique et vehicule comportant un tel dispositif

Publications (2)

Publication Number Publication Date
EP3015813A1 EP3015813A1 (de) 2016-05-04
EP3015813B1 true EP3015813B1 (de) 2017-07-12

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Country Status (8)

Country Link
US (1) US10345080B2 (de)
EP (1) EP3015813B1 (de)
BR (1) BR102015027360B1 (de)
CA (1) CA2908099C (de)
DK (1) DK3015813T3 (de)
FR (1) FR3028025B1 (de)
IL (1) IL242090B (de)
SI (1) SI3015813T1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU184679U1 (ru) * 2018-07-24 2018-11-02 Федеральное Государственное Казенное Военное Образовательное Учреждение Высшего Образования Военный Учебно-Научный Центр Сухопутных Войск "Общевойсковая Академия Вооруженных Сил Российской Федерации" Защитно-маскировочный экран комбинированного охлаждения теплового излучения нагретых частей наземного подвижного объекта
RU193769U1 (ru) * 2019-06-14 2019-11-14 Федеральное Государственное Казенное Военное Образовательное Учреждение Высшего Образования Военный Учебно-Научный Центр Сухопутных Войск "Общевойсковая Академия Вооруженных Сил Российской Федерации" Защитно-маскировочный экран комбинированного охлаждения теплового излучения нагретых частей крупногабаритного наземного подвижного электроагрегата

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CN106931832B (zh) * 2017-04-11 2018-11-23 江苏豪赛科技股份有限公司 地面有内热源装备高温孔口的红外抑制结构
RU2673859C1 (ru) * 2017-09-18 2018-11-30 Федеральное Государственное Казенное "Военное Образовательное Учреждение Высшего Образования "Военный Учебно-Научный Центр Сухопутных Войск "Общевойсковая Академия Вооруженных Сил Российской Федерации" Устройство снижения тепловой заметности боевых машин
PL443002A1 (pl) * 2022-11-29 2024-06-03 Wojskowy Instytut Techniki Inżynieryjnej Im. Profesora Józefa Kosackiego Urządzenie maskowania optycznego i termalnego

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU184679U1 (ru) * 2018-07-24 2018-11-02 Федеральное Государственное Казенное Военное Образовательное Учреждение Высшего Образования Военный Учебно-Научный Центр Сухопутных Войск "Общевойсковая Академия Вооруженных Сил Российской Федерации" Защитно-маскировочный экран комбинированного охлаждения теплового излучения нагретых частей наземного подвижного объекта
RU193769U1 (ru) * 2019-06-14 2019-11-14 Федеральное Государственное Казенное Военное Образовательное Учреждение Высшего Образования Военный Учебно-Научный Центр Сухопутных Войск "Общевойсковая Академия Вооруженных Сил Российской Федерации" Защитно-маскировочный экран комбинированного охлаждения теплового излучения нагретых частей крупногабаритного наземного подвижного электроагрегата

Also Published As

Publication number Publication date
IL242090A0 (en) 2016-02-29
CA2908099C (fr) 2022-08-30
BR102015027360A2 (pt) 2016-08-02
US10345080B2 (en) 2019-07-09
FR3028025B1 (fr) 2016-11-04
EP3015813A1 (de) 2016-05-04
CA2908099A1 (fr) 2016-04-30
SI3015813T1 (sl) 2017-10-30
US20160123706A1 (en) 2016-05-05
FR3028025A1 (fr) 2016-05-06
IL242090B (en) 2019-06-30
BR102015027360B1 (pt) 2021-07-27
DK3015813T3 (en) 2017-10-23

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