EP1033776A1 - Cavity resonator - Google Patents
Cavity resonator Download PDFInfo
- Publication number
- EP1033776A1 EP1033776A1 EP00103233A EP00103233A EP1033776A1 EP 1033776 A1 EP1033776 A1 EP 1033776A1 EP 00103233 A EP00103233 A EP 00103233A EP 00103233 A EP00103233 A EP 00103233A EP 1033776 A1 EP1033776 A1 EP 1033776A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- tabs
- cavity resonator
- thickness
- chambers
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
Definitions
- the invention relates to a cavity resonator from a prismatic housing made in one piece along its edges connected, plan metal plates with openings at least for coupling and decoupling HF energy.
- Such cavity resonators belong to the one created on this side State of the art and are for example as usually multi-circuit, transmission-side bandpass filter for HF powers of several hundred watts upwards in the high Megahertz range or used in the gigahertz range.
- the prismatic housing then consists of several chambers of the same dimensions, e.g. along their side surfaces in I, L or U shape strung together as well as mechanically and are electrically connected to each other. Each chamber forms a filter circuit.
- Chambers designed as hollow castings or consist of comparatively thick metal plates alternatively from thick-walled Hollow metal profiles that are soldered along their edges and / or welded and before or after, before Attaching the chamber cover, galvanically copper-coated on the inside or are silver-plated.
- a cavity resonator is known from DE 25 32 035 B2, which consists of a tube with a bottom and a lid, which are welded to the pipe.
- the invention has for its object a cavity resonator to create the genus specified in the introduction, the with at least the same mechanical stability and electrical Quality is much cheaper to manufacture.
- Such panels can be made from corresponding semi-finished panels by punching and / or by electron or laser beam cutting with very small dimensional tolerances Produce costs that are only marginally above the cost of cutting the plates of the previously known cavity resonators lie.
- the connection technology used enables it, all the side walls, the bottom, the lid and possibly also the inner walls of a multi-chamber Manufacture cavity from one piece and the chambers only by appropriate partitions or To create partition walls instead of several, as before in each case complete chambers - with multi-circular Resonators along orthogonal axes - string together and to have to connect with each other.
- Plates can be the tabs that go over the ones they have penetrated Overlap, slanted, folded or be upset. Then the bumps, slots and tabs between the one piece connected plates soldered. However, the solder seam does not have to absorb mechanical forces. It only serves the electrical Contacting. Otherwise, the housing of the cavity resonator in special cases also in mixed connection technology be executed, e.g. include a lid, the not with tabs but with screws with the Side and partition walls are connected.
- the tabs are according to the thickness of the Undercut slotted plate.
- the undercut this makes it easier to put the plates together then deforming the tabs.
- An advantageous development of this embodiment is characterized in that the width of the undercuts from the side tab edge towards the remaining one Tab of a value greater than the thickness of the the slotted plate is to a value that is at most equal to the thickness of the plate penetrated, decreases and that the tabs are set.
- the wardrobes the tabs inevitably lead to a correct position Clamping together each connected in this way Plates. This ensures that the so connected plates up to a predetermined soldering gap be assembled in the correct position.
- the six-circuit filter shown in FIGS. 1 and 2 consists of a prismatic housing with continuous Outer walls 1 to 6 made of metal plates and inner partitions 7, 8 and 9.
- the filter thus comprises six chambers, of which the chambers 10, 11 and 12 can be seen in section in Fig. 1 are.
- the first and the last chamber have a coupling connection 20 or a decoupling connection 21.
- Each of the Chambers is equipped with tuning slides such as 30, 31 and 32.
- the chambers are over coupling lines like 40 and 41 here Coupled construction not of interest.
- All metal plates, including the inner partitions 7, 8 and 9, are connected to each other, as in Figures 3 and 4 is shown in more detail.
- the side plate 2 has one over its side edge 2a (see FIG. 4) projecting tab 2.1.
- These tabs 3 penetrates one in the cover plate 6 trained slot 6.1.
- the tab 2.1 is from both Undercut sides.
- the width of the symmetrical Undercuts H takes from the side tab edges 2.1a and 2.1b in the direction of the remaining tab web 2.1c of a value greater than the thickness d of the side plate 2, to a value that is at most equal to this Thickness d is down.
- the final soldering is not shown.
- the side margins of a defined solder gap can of the plates with integral tabs to the Tabs with coaxial, almost punctiform projections e.g. be provided a height of 0.1 mm, which in particular when laser cutting from large panels at no additional cost let generate.
- the inner partitions e.g. the partitions 7 to 9 in 1 and 2 put together into a so-called compartment, on which the outer walls, i.e. the side walls, the floor and the lid.
- Figures 5 and 6 illustrate that the previously described Connection technology, cf. Detail X in Fig. 6, accordingly Figures 3 and 4, regardless of the geometry the arrangement of the chambers is relative to each other.
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- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Ein Hohlraurmresonator aus einem prismatischen Gehäuse aus längs ihrer Kanten verbundenen Metallplatten läßt sich besonders einfach und gleichzeitig exakt und formstabil zusammenbauen, wenn von jeweils zwei aneinandergrenzenden Platten (2, 6) die eine Platte (2) mit ihr einstückige, voneinander beabstandete, über den Seitenrand (2a) der Platte (2) vorspringende Laschen (2.1) und die andere Platte (6) in ihrem auf der ersten Platte (2) aufliegenden Randbereich von den Laschen (2.1) durchgriffene Schlitze hat. Vorallem bei Hohlraumresonatoren aus mehreren, einzelnen Filterkreisen entsprechenden Kammern ergibt sich ein erheblicher, fertigungstechnischer Vorteil dadurch, daß sämtliche Seitenwände, der Boden, der Deckel und gegebenenfalls die Innenwände der Kammern aus jeweils einem Stück hergestellt werden können. <IMAGE>A cavity resonator made of a prismatic housing made of metal plates connected along its edges can be assembled particularly easily and at the same time precisely and dimensionally stable if each of two adjacent plates (2, 6) has one plate (2) with it, spaced apart from one another, over the side edge (2a) the plate (2) has projecting tabs (2.1) and the other plate (6) in its edge area lying on the first plate (2) has slits penetrated by the tabs (2.1). Particularly in the case of cavity resonators made up of several chambers corresponding to individual filter circuits, there is a considerable advantage in terms of production technology in that all side walls, the bottom, the lid and, if appropriate, the inner walls of the chambers can be produced in one piece. <IMAGE>
Description
Die Erfindung betrifft einen Hohlraumresonator aus einem prismatischen Gehäuse aus längs ihrer Kanten einstückig verbundenen, planen Metallplatten mit Öffnungen mindestens zum Einkoppeln und Auskoppeln von HF-Energie.The invention relates to a cavity resonator from a prismatic housing made in one piece along its edges connected, plan metal plates with openings at least for coupling and decoupling HF energy.
Derartige Hohlraumresonatoren gehören zu dem diesseits geschaffenen Stand der Technik und werden beispielsweise als in der Regel mehrkreisige, sendeseitige Bandpaßfilter für HF-Leistungen von mehreren hundert Watt aufwärts im hohen Megahertzbereich oder im Gigahertzbereich eingesetzt. Das prismatische Gehäuse besteht dann aus mehreren Kammern gleicher Abmessungen, die längs ihrer Seitenflächen z.B. in I-, L- oder U-Form aneinandergereiht sowie mechanisch und elektrisch miteinander verbunden sind. Jede Kammer bildet einen Filterkreis. Um Verstimmungen des Hohlraumresonators infolge von Änderungen seiner mechanischen Abmessungen durch mechanische oder thermische Einflüsse zu vermeiden, sind die Kammern als hohle Gußteile ausgeführt oder bestehen aus vergleichsweise dicken Metallplatten, alternativ aus dickwandigen Metallhohlprofilen, die längs ihrer Kanten verlötet und/oder verschweißt und zuvor oder anschließend, vor dem Aufsetzen der Kammerdeckel, innenseitig galvanisch verkupfert oder versilbert sind. Zur Herstellung solcher Hohlraumresonatoren ist mithin eine aufwendige Fertigungstechnologie erforderlich.Such cavity resonators belong to the one created on this side State of the art and are for example as usually multi-circuit, transmission-side bandpass filter for HF powers of several hundred watts upwards in the high Megahertz range or used in the gigahertz range. The prismatic housing then consists of several chambers of the same dimensions, e.g. along their side surfaces in I, L or U shape strung together as well as mechanically and are electrically connected to each other. Each chamber forms a filter circuit. To detune the cavity resonator due to changes in its mechanical dimensions Avoid mechanical or thermal influences Chambers designed as hollow castings or consist of comparatively thick metal plates, alternatively from thick-walled Hollow metal profiles that are soldered along their edges and / or welded and before or after, before Attaching the chamber cover, galvanically copper-coated on the inside or are silver-plated. For the production of such cavity resonators is therefore a complex manufacturing technology required.
Aus der DE 25 32 035 B2 ist ein Hohlraumresonator bekannt, der aus einem Rohr mit einem Boden und einem Deckel besteht, die jeweils mit dem Rohr verschweißt sind. A cavity resonator is known from DE 25 32 035 B2, which consists of a tube with a bottom and a lid, which are welded to the pipe.
Der Erfindung liegt die Aufgabe zugrunde, einen Hohlraumresonator der einleitend angegebenen Gattung zu schaffen, der bei mindestens gleicher mechanischer Stabilität und elektrischer Qualität erheblich kostengünstiger herstellbar ist.The invention has for its object a cavity resonator to create the genus specified in the introduction, the with at least the same mechanical stability and electrical Quality is much cheaper to manufacture.
Diese Aufgabe ist erfindungsgemäß dadurch gelöst, daß von jeweils zwei aneinandergrenzenden Platten die eine Platte mit ihr einstückige, voneinander beabstandete, über den Seitenrand der Platte vorspringende Laschen und die andere Platte in ihrem auf der ersten Platten auf liegenden Randbereich von den Laschen durchgriffene Schlitze hat.This object is achieved in that two adjacent panels each make up one panel with her integral, spaced apart, over the Side edge of the plate projecting tabs and the other Plate in its edge area lying on the first plate slits penetrated by the tabs.
Derartige Platten lassen sich aus entsprechenden Halbzeugtafeln durch Stanzen und/oder durch Elektronen- oder Laserstrahlschneiden mit sehr kleinen Abmessungstoleranzen zu Kosten herstellen, die nur unwesentlich über den Kosten für das Zuschneiden der Platten der bisher bekannten Hohlraumresonatoren liegen. Die angewendete Verbindungstechnik er-möglicht es, sämtliche Seitenwände, den Boden, den Deckel und ggf. die Innenwände auch eines mehrere Kammern umfassenden Hohlraumresonators aus einem Stück herzustellen und die Kammern lediglich durch entsprechende Zwischenwände oder Zwischenwandgefache zu erzeugen statt wie bisher mehrere, jeweils für sich vollständige Kammern - bei vielkreisigen Resonatoren längs orthogonaler Achsen - aneinanderreihen und miteinander verbinden zu müssen. Zur Erzielung einer einstückigen Verbindung von rechtwinklig aneinandergrenzenden Platten können die Laschen, die über die von ihnen durchgriffenen Schlitze überstehen, geschränkt, umgeschlagen oder gestaucht werden. Anschließend werden die Stöße, Schlitze und Laschen zwischen den so bereits miteinander einstückig verbundenen Platten verlötet. Die Lötnaht muß jedoch keine mechanische Kräfte aufnehmen. Sie dient nur der elektrischen Kontaktierung. Im übrigen kann das Gehäuse des Hohlraumresonators in Sonderfällenn auch in gemischter Verbindungstechnik ausgeführt sein, also z.B. einen Deckel umfassen, der nicht mittels Laschen sondern über Schrauben mit den Seiten- und Zwischenwänden verbunden ist.Such panels can be made from corresponding semi-finished panels by punching and / or by electron or laser beam cutting with very small dimensional tolerances Produce costs that are only marginally above the cost of cutting the plates of the previously known cavity resonators lie. The connection technology used enables it, all the side walls, the bottom, the lid and possibly also the inner walls of a multi-chamber Manufacture cavity from one piece and the chambers only by appropriate partitions or To create partition walls instead of several, as before in each case complete chambers - with multi-circular Resonators along orthogonal axes - string together and to have to connect with each other. To achieve a one-piece Connection of adjacent to each other at right angles Plates can be the tabs that go over the ones they have penetrated Overlap, slanted, folded or be upset. Then the bumps, slots and tabs between the one piece connected plates soldered. However, the solder seam does not have to absorb mechanical forces. It only serves the electrical Contacting. Otherwise, the housing of the cavity resonator in special cases also in mixed connection technology be executed, e.g. include a lid, the not with tabs but with screws with the Side and partition walls are connected.
Vorzugsweise sind die Laschen entsprechend der Dicke der die Schlitze aufweisenden Platte hinterschnitten. Die Hinterschneidung erleichtert das an das Zusammenstecken der Platten anschließende Verformen der Laschen.Preferably, the tabs are according to the thickness of the Undercut slotted plate. The undercut this makes it easier to put the plates together then deforming the tabs.
Eine vorteilhafte Weiterbildung dieser Ausführungsform zeichnet sich dadurch aus, daß die Breite der Hinterschnitte vom seitlichen Laschenrand in Richtung des verbleibenden Laschensteges von einem Wert, der größer als die Dicke der die Schlitze aufweisenden Platte ist, auf einen Wert, der höchstens gleich der Dicke der durchgriffenen Platte ist, abnimmt und daß die Laschen geschränkt sind. Das Schränken der Laschen führt damit zwangsläufig zu einem lagerichtigen Zusammenspannen der jeweils auf diese Art miteinander verbundenen Platten. Dadurch wird sichergestellt, daß die so verbundenen Platten bis auf einen vorgegebenen Lötspalt lagerichtig gefügt werden.An advantageous development of this embodiment is characterized in that the width of the undercuts from the side tab edge towards the remaining one Tab of a value greater than the thickness of the the slotted plate is to a value that is at most equal to the thickness of the plate penetrated, decreases and that the tabs are set. The wardrobes the tabs inevitably lead to a correct position Clamping together each connected in this way Plates. This ensures that the so connected plates up to a predetermined soldering gap be assembled in the correct position.
In der Zeichnung sind mehrkreisige Filter als Ausführungsbeispiele eines Hohlraumresonators nach der Erfindung dargestellt. Es zeigt:
- Fig. 1
- eine längs der Linie A-A in Fig. 2 geschnittenen Seitenansicht eines sechskreisigen Filters in U-Form,
- Fig. 2
- eine Aufsicht auf das Filter in Fig. 1,
- Fig. 3
- die Einzelheit X in Fig. 2,
- Fig. 4
- eine Seitenansicht der Einzelheit X, jedoch vor dem Zusammenstecken der betreffenden Platten,
- Fig. 5
- eine längs der Linie B-B in Fig. 6 geschnittene Seitenansicht eines sechskreisigen Filters in I-Form,
- Fig. 6
- eine Aufsicht auf das Filter in
Figur 5.
- Fig. 1
- 2 shows a side view of a six-circuit filter in a U-shape, cut along the line AA in FIG. 2,
- Fig. 2
- a plan view of the filter in Fig. 1,
- Fig. 3
- the detail X in Fig. 2,
- Fig. 4
- a side view of the detail X, but before the relevant plates are put together,
- Fig. 5
- 6 shows a side view of a six-circle filter in I-shape, cut along the line BB in FIG. 6,
- Fig. 6
- a top view of the filter in Figure 5.
Das in den Figuren 1 und 2 dargestellte, sechskreisige Filter
besteht aus einem prismatischen Gehäuse mit durchgehenden
Außenwänden 1 bis 6 aus Metallplatten und inneren Trennwänden
7, 8 und 9. Das Filter umfaßt also sechs Kammern, von
denen die Kammern 10, 11 und 12 in Fig. 1 im Schnitt zu sehen
sind. Die erste und die letzte Kammer haben einen Einkoppelanschluß
20 bzw. einen Auskoppelanschluß 21. Jede der
Kammern ist mit Abstimmschiebern wie 30, 31 und 32 versehen.
Die Kammern sind über Koppelleitungen wie 40 und 41 hier
nicht näher interessierenden Aufbaus miteinander gekoppelt.The six-circuit filter shown in FIGS. 1 and 2
consists of a prismatic housing with continuous
Sämtliche Metallplatten, auch die inneren Trennwände 7, 8
und 9, sind miteinander verbunden, wie in den Figuren 3 und
4 näher dargestellt ist. Von jeweils zwei aneinandergrenzenden
Platten, z.B. der rechten Seitenplatte 2 und der
Deckplatte 6, hat die Seitenplatte 2 eine über ihren Seitenrand
2a (vgl. Fig. 4) vorspringende Lasche 2.1. Diese Laschen
durchgreift gemäß Fig. 3 einen in der Deckplatte 6
ausgebildeten Schlitz 6.1. Die Lasche 2.1 ist von beiden
Seiten her hinterschnitten. Die Breite der symmetrischen
Hinterschnitte H nimmt von den seitlichen Laschenrändern
2.1a und 2.1b in Richtung auf den verbleibenden Laschensteg
2.1c von einem Wert, der größer als die Dicke d der Seitenplatte
2 ist, auf einen Wert, der höchstens gleich dieser
Dicke d ist, ab. Durch Schränkung der freien Laschenschenkel
in der in Fig. 3 dargestellten Weise werden somit die Seitenplatte
2 und die Deckplatte 6 zwangsläufig und mit durch
die Bemessung der Hinterschnitte H sowie den Schränkungswinkel
vorgegebener Anpresskraft zusammengespannt. All metal plates, including the
Die abschließende Verlötung ist nicht dargestellt. Zur Erzeugung eines definierten Lötspalts können die Seitenränder der die Laschen aufweisenden Platten mit integralen, zu den Laschen gleichachsigen, nahezu punktförmigen Vorsprüngen mit z.B. eine Höhe von 0,1 mm versehen sein, die sich insbesondere beim Laserschneiden aus großflächigen Tafeln ohne Mehrkosten erzeugen lassen.The final soldering is not shown. For generation The side margins of a defined solder gap can of the plates with integral tabs to the Tabs with coaxial, almost punctiform projections e.g. be provided a height of 0.1 mm, which in particular when laser cutting from large panels at no additional cost let generate.
Bei Hohlraumresonatoren aus U-förmig angeordneten Filterkreisen, vgl. Fig. 1 und 2, werden im ersten Montageschritt die inneren Trennwände, wie z.B. die Trennwände 7 bis 9 in den Fig. 1 und 2, zu einem sog. Gefache zusammengesteckt, auf das dann die Außenwände, d.h. die Seitenwände, der Boden und der Deckel, aufgesetzt werden.For cavity resonators made of U-shaped filter circuits, see. 1 and 2, are in the first assembly step the inner partitions, e.g. the partitions 7 to 9 in 1 and 2, put together into a so-called compartment, on which the outer walls, i.e. the side walls, the floor and the lid.
Die Figuren 5 und 6 verdeutlichen, daß die zuvor beschriebene Verbindungstechnik, vgl. Einzelheit X in Fig. 6, entsprechend den Figuren 3 und 4, unabhängig von der Geometrie der Anordnung der Kammern relativ zueinander ist.Figures 5 and 6 illustrate that the previously described Connection technology, cf. Detail X in Fig. 6, accordingly Figures 3 and 4, regardless of the geometry the arrangement of the chambers is relative to each other.
Claims (3)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19909515A DE19909515C1 (en) | 1999-03-04 | 1999-03-04 | Wave guide resonator for microwave system, has coupled plates including features for self retention |
| DE19909515 | 1999-03-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1033776A1 true EP1033776A1 (en) | 2000-09-06 |
| EP1033776B1 EP1033776B1 (en) | 2005-01-26 |
Family
ID=7899698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00103233A Expired - Lifetime EP1033776B1 (en) | 1999-03-04 | 2000-02-17 | Cavity resonator |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1033776B1 (en) |
| DE (2) | DE19909515C1 (en) |
| ES (1) | ES2235694T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12082383B2 (en) | 2020-10-30 | 2024-09-03 | Aptiv Technologies AG | Electronic device for a vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2532035A1 (en) * | 1975-07-17 | 1977-01-27 | Siemens Ag | Invar HF cavity resonator - has stepped cylinder ends and covers of U-shaped cross section for satisfactory welding |
| DE3039457A1 (en) * | 1980-10-18 | 1982-05-27 | Brown, Boveri & Cie Ag, 6800 Mannheim | Coil body with formed coupling socket - has external connections made using latching plug and built-in socket |
| WO1998025443A1 (en) * | 1996-12-02 | 1998-06-11 | Mannesmann Vdo Ag | Electronic circuit with a screening case to attenuate high-frequency interference |
| DE19814771A1 (en) * | 1997-04-11 | 1998-10-15 | Pollmann Elektrotech Gmbh | Branching connector for electrical circuits |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19742496C1 (en) * | 1997-09-26 | 1999-02-04 | Bosch Gmbh Robert | Arrangement for joining two parts of a housing |
-
1999
- 1999-03-04 DE DE19909515A patent/DE19909515C1/en not_active Expired - Fee Related
-
2000
- 2000-02-17 DE DE50009316T patent/DE50009316D1/en not_active Expired - Lifetime
- 2000-02-17 ES ES00103233T patent/ES2235694T3/en not_active Expired - Lifetime
- 2000-02-17 EP EP00103233A patent/EP1033776B1/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2532035A1 (en) * | 1975-07-17 | 1977-01-27 | Siemens Ag | Invar HF cavity resonator - has stepped cylinder ends and covers of U-shaped cross section for satisfactory welding |
| DE3039457A1 (en) * | 1980-10-18 | 1982-05-27 | Brown, Boveri & Cie Ag, 6800 Mannheim | Coil body with formed coupling socket - has external connections made using latching plug and built-in socket |
| WO1998025443A1 (en) * | 1996-12-02 | 1998-06-11 | Mannesmann Vdo Ag | Electronic circuit with a screening case to attenuate high-frequency interference |
| DE19814771A1 (en) * | 1997-04-11 | 1998-10-15 | Pollmann Elektrotech Gmbh | Branching connector for electrical circuits |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12082383B2 (en) | 2020-10-30 | 2024-09-03 | Aptiv Technologies AG | Electronic device for a vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1033776B1 (en) | 2005-01-26 |
| DE50009316D1 (en) | 2005-03-03 |
| DE19909515C1 (en) | 2000-06-29 |
| ES2235694T3 (en) | 2005-07-16 |
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