DE1779377C

DE1779377C - Infrared heater

Info

Publication number: DE1779377C
Application number: DE19681779377
Authority: DE
Inventors: Gunter Dipl Ing Dr 8000 München Stetter
Original assignee: Messerschmitt Bolkow Blohm GmbH, 8000 München
Filing date: 1968-08-03
Publication date: 1973-03-08

Description

Flugkörpers 7 ist ein kreisringförmiger pyrotechnischer Strahler 8 befestigt, der aus mehreren — im dargestellten Ausführungsbeispiel drei — Teilstücken 9, 10 und 11 zusammengesetzt ist Jedes Teilstück besteht aus einem dünnwandigen Rohr aus Tantal, aus Oxydkeramik oder auch aus Graphit, das mit einem nicnt oder wenig gasenden pyrotechnischen Giühsatz 12 vollständig ausgefüllt ist (vgl. auch F i g. 2). Ein solcher Giiihsatz besteht z. B. aus einer iMissile 7 is a circular pyrotechnic radiator 8 attached, which consists of several - im illustrated embodiment three - parts 9, 10 and 11 is assembled Each section consists of a thin-walled tube made of tantalum, made of oxide ceramics or graphite, which with a little or no gas emitting pyrotechnic Giühsatz 12 is completely filled (see also Fig. 2). Such a rate is z. B. from a i

Die dem Strahler 8 zugewandten Flacnen der Zmschenwände 23 und 24 sind zum Zwecke der tirhöhung der vom Strahler abgegebenen Strahlungsleistung mit einer Verspiegelung 26 versehen die beispielsweise durch Aufdampfen von Alum
oder Einlegen einer Aluminiumfolie hergestelltThe emitter 8 the facing Flacnen the Zm rule walls 23 and 24 of the tirhöhung emitted by the emitter radiation power are provided with a reflective coating 26 for the purpose for example, by vapor deposition of Alum
or by inserting an aluminum foil

Der vorstehend beschriebene, nach Art einer elektaschen Heizspirale aufgebaute, allseits druck- und gasdichte, entsprechend dem zu seiner Aufnahme zur hd Rm gebogene und von uiThe one described above, in the manner of an electric Heating coil constructed, pressure-tight and gas-tight on all sides, corresponding to its inclusion for hd rm curved and from ui

versehen, die Aluminium istprovided, which is aluminum

F i g. 2). Such a rate is z. B. from a gas-tight, correspond

Mischung eines Energieträgers mit einem Sauerstoff- io Verfugung stehenden. Raum gebogene und von ui träger, die zur Erhöhung der Verarbeitungsfähigkeit diesem Raum angeordneten Klauen gehaltene Strahmit Nitrocelluloselack oder mittels Beigabe von an- Ier gibt bei seiner an mehreren Stellen gleichzeitig organischenBindemitteln abgebunden sind.Beispiels- erfolgenden Auslösung infolge der geringen Warmeweise besteht der Glühsatz zu etwa 66^β/β Bleimen- kapazität des den pyrotechnischen Gluhsatz naltennige (Pb₃O₄), zu etwa 24Vo aus Silizium (Si), zu etwa 15 den Metallrohres seine Strahlungsenergie unverzug-6Vo aus Ferrosilizium und zu etwa 2*/ aus Eisendrei lieh ab, so daß beispielsweise ein einen solchenMixture of an energy source with an oxygen io available. Space curved and by ui sluggish, the claws held in place to increase the processing ability of this space are bound with nitrocellulose lacquer or with the addition of organic binders in several places at the same time 66 ^β / β lead capacity of the pyrotechnic glow charge (Pb ₃ O ₄ ), about 24Vo from silicon (Si), about 15Vo from the metal tube its radiation energy instantaneously -6Vo from ferrosilicon and about 2 * / from three iron borrowed so that, for example, such a

Strahler tragender Flugkörper unmittelbar nach seinem Start von einem Infrarot-Ortungsgerät geortet werden kann. Durch die Verspiegelung wird der Anteil der nicht nach außen zur Wirkung kommenden Strahlung erheblich verringert.Missile carrying emitters immediately after his Start can be located by an infrared tracking device. The mirroring makes the share the radiation that does not have an effect on the outside is considerably reduced.

Eine andere Ausführungsform einer Halterung fur den vorstehend beschriebenen Strahler zeigt Fig. 3. Hier ist der Strahler 8 mit Hilfe voe in eine ZwischenMl 3IAnother embodiment of a holder for FIG. 3 shows the radiator described above. Here is the radiator 8 with the help of voe in a ZwischenMl 3I

₃₄ (), ₃₄ (),

aus Ferrosilizium und zu etwa 2*/o aus Eisendreioxyd (Fe₂O₃). Bei Verwendung von Metallrohren beträgt die Wandstärke weniger als 1 mm.from ferrosilicon and about 2% of iron trioxide (Fe ₂ O ₃ ). When using metal pipes, the wall thickness is less than 1 mm.

Zwischen den Stirnseiten der einzeaien Teilstücke sind Zündelemente angeordnet, von denen in Fig. 1 lediglich das Zündelement 13 gezeigt ist. Die einzelnen Teilstücke mit den dazwischen angeordneten Zündelementen wrden von Manschetten 14,15undBetween the end faces of the individual sections ignition elements are arranged, of which only the ignition element 13 is shown in FIG. 1. The single ones Sections with the ignition elements arranged in between would be of collars 14,15 and

16 zusammengehalten, die vorzugsweise aus demsel- Hier ist der Strahler 816 held together, preferably from demsel- Here is the radiator 8

ben Material gefertigt sind, aus dem die Teilstücke «5 wand 30 aus Keramik eingekitteten Metailosen 3I₁ bestehen. Der auf diese Weise entstehende kreisring- gehalten.Ben material are made of which the sections «5 wall 30 are made of ceramic cemented Metailosen 3I ₁ . The created in this way is held in a circular ring.

föi S hl i il biili K Ein anderes Ausfühnmgsbeispiel eines Strahlersföi S hl i il biili K Another exemplary embodiment of a spotlight

zeigt F i g. 4. Hier weist der Strahler 8 eine etwas trapezförmige Querscbnittsfonn auf. Auch hier ist der Strahler von entsprechend seiner Querschnittsform -ausgebildeten und aus Keramik bestehenden Klauen 40, 40a gehalten, die wiederum in entsprechenden Durchbrüchen 21 und 22 der Zwischenwände 23 undshows Fig. 4. Here the radiator 8 has a somewhat trapezoidal shape Cross-sectional form on. Here is the one too Radiator with claws made of ceramic and designed according to its cross-sectional shape 40, 40a held, in turn in corresponding Breakthroughs 21 and 22 of the partition walls 23 and

den Aussparungen von in hier nicht dargestellter 24 befestigt sind. Darüber hinaus ist hier ein opti-Weise am Flugkörper 7 angeordneten Zwischenwän- 35 sches Filter 42 vorgesehen, um unerwünschte Spekden 2? und 24 befestigt, und zwar ist, wie Fig. 2 tralanteile der vom Strahiere abgegebenen Strahlunzeigt, beispielsweise das Klauenteil 20 in dx Ausspa- gen auszufiltern. An Stelle des m Halterungen 43 und rung 21 und das Klauenteil 20 α in d«r Aussparung 22 44 der Zwischenwände 23 und 24 befestigten Filters befestigt. In die Wandung 23 sind ferner Durchfüh- kann auch eine hier nicht dargestellte und einen ebenrungen 25 eingekittet für die zu den Zündeleraenten 40 falls hier nicht dargestellten Motor angetriebene 13 führenden Zündleitungen 26, die mit einer hier Speichenblende angeordnet sein, um die vom Strahnicht dargestellten Stromquelle verbunden sind, Ier 8 abgegebene Strahlung zu modulieren. Selbstweiche über eine hier ebenfalls nicht dargestellte Leit- verständlich können Filter und Blende auch kombistelle einschaltbar ist. niert zur Anwendung gelangen.the recesses of 24, not shown here, are attached. In addition, an intermediate wall filter 42, which is optically arranged on the missile 7, is provided here in order to prevent undesired specimens 2? and 24 is attached, namely, as FIG. 2 shows the central components of the radiation emitted by the straightener, for example the claw part 20 is to be filtered out in dx cutouts. In place of the mountings 43 and 21 and the claw part 20 a in the recess 22 44 of the partition walls 23 and 24 fastened filter. In the wall 23 are also a not shown here and a leveling 25 puttied for the ignition lines 26 leading to the ignition elements 40 if the engine is not shown here, which are arranged with a spoke cover here to the power source not shown by the jet are connected to modulate Ier 8 emitted radiation. Filter and diaphragm can also be switched on at a combined point via a guide, also not shown here. be used.

b diese Weise entstehende kreisringb circular ring created in this way

förmige Str thler ist mittels beispielsweise aus Keramik bestehenden Klauen 18,18 o, 19,19 a, 20 und 20 α am Heck des Flugkörpers 7 konzentrisch zur Triebwerksdüse 5 gehalten.shaped streamers are held concentrically to the engine nozzle 5 on the tail of the missile 7 by means of claws 18, 18 o, 19, 19 a, 20 and 20 α, for example made of ceramic.

Die der Querschnittsform des Strahlers angepaßten Klauenteile 18,18a bis 20,29a sind, wie aus Fig. 2 im einzelnen zu entnehmen ist, jeweils in entsprechenden Aussparungen von in hier nicht dargestellter Flkö 7 The claw parts 18, 18a to 20, 29a adapted to the cross-sectional shape of the radiator are, as can be seen in detail from FIG

1 sheet of drawings

Claims

Must have signal lines. These difficulties lead to complex geometrical shapes of the infrared heater, which in turn lead to inhomo-

1. Infrared emitter, consisting of a radiation in the manufacture of the difficult to press lung emitting thin-walled body and 5 pyrotechnic glow charge lead.

an energy source that heats it up in the form of the invention is based on the object of providing a

one without noticeable gas development its ener- Infrared radiator of the type mentioned so on-

gie emitting pyrotechnic glow charge, educate that it is for use in conjunction with

the one with the whole of the radiant surface of the flying bodya particularly well suited, but nevertheless

Body facing away from the body in direct heat- io is easy to manufacture and operationally reliable.

contact is connected, thus identified and which is difficult to deal with

shows that the body (8) can easily be adapted to a corresponding spatial relationship without

Depending on the geometry of its recording, it loses its radiant power.

Pipe of any cross-section made of metal, oxide This object is achieved according to the invention

ceramic or graphite is solved 15 that the radiation-emitting thin-walled

2. Infrared radiator according to claim 1, characterized in that the body corresponding to the geometry of its characterized in that the radiation-emitting receptacle bent tube of any cross-section '; Body (8) is made of individual pipe webs (9,16,11) made of metal, oxide ceramic or graphite.
According to a further feature of the invention, elements (13) are provided, while the radiation-emitting body is composed of individual bonds of the individual pipe backs (9, 16, 11) at their joints this pressure and gas tight; comprehensive cuff ignition elements are provided, while the Verten (14,15,16) are used. binding of the individual pipe sections this pressure and

3. Infrared radiator according to claim 1 and 2, as gas-tight comprehensive cuffs are used.

characterized in that the cuffs (14, 15 here are preferably the cuffs 15, 16) are made of the same material, of the same material as the pipe sections which the pipe sections (9,10,11) are made. are made.

Such an infrared heater has a relatively

wrestles end faces having cross-sections, which on

30 are easy to close gas-tight and pressure-tight. It can be any, especially the one for

The invention relates to an infrared ray available space for its inclusion anler, consisting of a radiation-emitting cross-sectional shape fitted as well as in each thin-walled body and a desired shape heating it can be bent. Because of the pyro energy source in the form of a no noticeable gas- 35 technical glow charge before bending the tube in development of its energy-releasing pyrotech- the desired shape can be attached, can ruffled glow charge, which with the whole of the beam such infrared heater in a simple way continuously Surface of the body facing away from the surface in borrowed manufacture and then by bending direct thermal contact is connected. transfer to any configuration. To this

In such a way, regardless of external energy sources, the manufacturing costs of such infrared-pendent infrared radiators are reduced considerably, preferably in radiators. A further advantage is the connection with automatically moving bodies to be seen in the fact that such a device is used that is closed on all sides and has the task of protecting the infrared radiators that carry them relative to other components that have to be protected against heat for a body working in their spectral range. Infrared tracking device and / or an observer to isolate 45 fold is also to be made visible for the attachment. They are designed as a relatively large-area of such an infrared radiator on the panes carrying it, each of which covers the incandescent units loading body only relatively simple holding containers, and fill with the gene required. Finally, optical filters exclude the desired spectral limitation of the radiation and / or aperture spectrum within the infrared range for the maximum of their radiation energy without emitting substantial radiation energy in an undesired manner in the immediate vicinity of the radiation for modulating the emitting radiation into substantial radiation energy . Can be attached due to the low heat-emitting thin-walled body,
capacity of the radiation-emitting thin-walled The invention is based on two in

disk-shaped body is the desired beam of the drawing illustrated embodiments of the treatment immediately after ignition of the glow charge 55 infrared heater in connection with a ^ ugköremittiert. as described by.

In the manufacture of such infrared emitters, shows in detail

But it has been shown that considerable manufacturing technology Fig. 1 is a plan view of the rear of a capable

niche difficulties exist. The attachment body with the infrared heater according to the Erfineines relatively thin disc-shaped body along 60 dung,

of the front edge of a cup-shaped container Fig. 2 is a section along the line H-II in

ters low wall thickness is technologically not Fig. 1,

safely manageable. Furthermore, the required Fig. 3 shows a different type of holder for the pyro-

Radiated power over the period of about technical radiators according to FIG. 1 and
60 seconds to large diameters of the radiation 65 Fig. 4 another embodiment of the pyrotech-emitting discs, so that you se and thus also niche rays according to the invention,
the housing when attached to the tail of a flight. 1 only with its engine body passages for the engine jet and for plant nozzle 5 and its outer jacket 6 shown